20952798720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 640

約数和(自身を含む): 81976181760

約数和(自身を除く): 61023383040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 73, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 146, 152, 160, 168, 190, 192, 210, 219, 224, 228, 240, 256, 266, 280, 281, 285, 292, 304, 320, 336, 365, 380, 384, 399, 420, 438, 448, 456, 480, 511, 512, 532, 560, 562, 570, 584, 608, 640, 665, 672, 730, 760, 768, 798, 840, 843, 876, 896, 912, 960, 1022, 1064, 1095, 1120, 1124, 1140, 1168, 1216, 1280, 1330, 1344, 1387, 1405, 1460, 1520, 1533, 1536, 1596, 1680, 1686, 1752, 1792, 1824, 1920, 1967, 1995, 2044, 2128, 2190, 2240, 2248, 2280, 2336, 2432, 2555, 2560, 2660, 2688, 2774, 2810, 2920, 3040, 3066, 3192, 3360, 3372, 3504, 3584, 3648, 3840, 3934, 3990, 4088, 4161, 4215, 4256, 4380, 4480, 4496, 4560, 4672, 4864, 5110, 5320, 5339, 5376, 5548, 5620, 5840, 5901, 6080, 6132, 6384, 6720, 6744, 6935, 7008, 7296, 7665, 7680, 7868, 7980, 8176, 8322, 8430, 8512, 8760, 8960, 8992, 9120, 9344, 9709, 9728, 9835, 10220, 10640, 10678, 10752, 11096, 11240, 11680, 11802, 12160, 12264, 12768, 13440, 13488, 13870, 14016, 14592, 15330, 15736, 15960, 16017, 16352, 16644, 16860, 17024, 17520, 17920, 17984, 18240, 18688, 19418, 19670, 20440, 20513, 20805, 21280, 21356, 22192, 22480, 23360, 23604, 24320, 24528, 25536, 26695, 26880, 26976, 27740, 28032, 29127, 29184, 29505, 30660, 31472, 31920, 32034, 32704, 33288, 33720, 34048, 35040, 35968, 36480, 37373, 37376, 38836, 39340, 40880, 41026, 41610, 42560, 42712, 44384, 44960, 46720, 47208, 48545, 48640, 49056, 51072, 53390, 53760, 53952, 55480, 56064, 58254, 59010, 61320, 61539, 62944, 63840, 64068, 65408, 66576, 67440, 68096, 70080, 71936, 72960, 74746, 77672, 78680, 80085, 81760, 82052, 83220, 85120, 85424, 88768, 89920, 93440, 94416, 97090, 98112, 102144, 102565, 106780, 107904, 110960, 112119, 112128, 116508, 118020, 122640, 123078, 125888, 127680, 128136, 130816, 133152, 134880, 140160, 143591, 143872, 145635, 145920, 149492, 155344, 157360, 160170, 163520, 164104, 166440, 170240, 170848, 177536, 179840, 186865, 186880, 188832, 194180, 196224, 204288, 205130, 213560, 215808, 221920, 224238, 233016, 236040, 245280, 246156, 251776, 255360, 256272, 261632, 266304, 269760, 280320, 287182, 291270, 298984, 307695, 310688, 314720, 320340, 327040, 328208, 332880, 340480, 341696, 355072, 359680, 373730, 377664, 388360, 389747, 392448, 410260, 427120, 430773, 431616, 443840, 448476, 466032, 472080, 490560, 492312, 503552, 510720, 512544, 532608, 539520, 560595, 560640, 574364, 582540, 597968, 615390, 621376, 629440, 640680, 654080, 656416, 665760, 683392, 710144, 717955, 719360, 747460, 755328, 776720, 779494, 784896, 820520, 854240, 861546, 887680, 896952, 932064, 944160, 981120, 984624, 1007104, 1021440, 1025088, 1065216, 1079040, 1121190, 1148728, 1165080, 1169241, 1195936, 1230780, 1242752, 1258880, 1281360, 1308160, 1312832, 1331520, 1366784, 1435910, 1494920, 1510656, 1553440, 1558988, 1641040, 1708480, 1723092, 1775360, 1793904, 1864128, 1888320, 1948735, 1962240, 1969248, 2050176, 2130432, 2153865, 2158080, 2242380, 2297456, 2330160, 2338482, 2391872, 2461560, 2485504, 2517760, 2562720, 2625664, 2663040, 2728229, 2733568, 2871820, 2989840, 3021312, 3106880, 3117976, 3282080, 3416960, 3446184, 3550720, 3587808, 3728256, 3776640, 3897470, 3924480, 3938496, 4100352, 4307730, 4484760, 4594912, 4660320, 4676964, 4783744, 4923120, 4971008, 5035520, 5125440, 5251328, 5326080, 5456458, 5743640, 5846205, 5979680, 6213760, 6235952, 6564160, 6833920, 6892368, 7175616, 7456512, 7553280, 7794940, 7876992, 8184687, 8200704, 8615460, 8969520, 9189824, 9320640, 9353928, 9567488, 9846240, 10250880, 10502656, 10652160, 10912916, 11487280, 11692410, 11959360, 12427520, 12471904, 13128320, 13641145, 13667840, 13784736, 14351232, 14913024, 15106560, 15589880, 15753984, 16369374, 17230920, 17939040, 18379648, 18641280, 18707856, 19134976, 19692480, 20501760, 21825832, 22974560, 23384820, 23918720, 24855040, 24943808, 26256640, 27282290, 27569472, 28702464, 31179760, 31507968, 32738748, 34461840, 35878080, 36759296, 37282560, 37415712, 39384960, 40923435, 41003520, 43651664, 45949120, 46769640, 47837440, 49887616, 52513280, 54564580, 55138944, 57404928, 62359520, 65477496, 68923680, 71756160, 73518592, 74565120, 74831424, 78769920, 81846870, 87303328, 91898240, 93539280, 95674880, 99775232, 109129160, 110277888, 124719040, 130954992, 137847360, 143512320, 149662848, 157539840, 163693740, 174606656, 183796480, 187078560, 199550464, 218258320, 220555776, 249438080, 261909984, 275694720, 287024640, 299325696, 327387480, 349213312, 367592960, 374157120, 436516640, 498876160, 523819968, 551389440, 598651392, 654774960, 698426624, 748314240, 873033280, 997752320, 1047639936, 1102778880, 1309549920, 1396853248, 1496628480, 1746066560, 2095279872, 2619099840, 2993256960, 3492133120, 4190559744, 5238199680, 6984266240, 10476399360, 20952798720]

約数ペア:

[(1, 20952798720), (2, 10476399360), (3, 6984266240), (4, 5238199680), (5, 4190559744), (6, 3492133120), (7, 2993256960), (8, 2619099840), (10, 2095279872), (12, 1746066560), (14, 1496628480), (15, 1396853248), (16, 1309549920), (19, 1102778880), (20, 1047639936), (21, 997752320), (24, 873033280), (28, 748314240), (30, 698426624), (32, 654774960), (35, 598651392), (38, 551389440), (40, 523819968), (42, 498876160), (48, 436516640), (56, 374157120), (57, 367592960), (60, 349213312), (64, 327387480), (70, 299325696), (73, 287024640), (76, 275694720), (80, 261909984), (84, 249438080), (95, 220555776), (96, 218258320), (105, 199550464), (112, 187078560), (114, 183796480), (120, 174606656), (128, 163693740), (133, 157539840), (140, 149662848), (146, 143512320), (152, 137847360), (160, 130954992), (168, 124719040), (190, 110277888), (192, 109129160), (210, 99775232), (219, 95674880), (224, 93539280), (228, 91898240), (240, 87303328), (256, 81846870), (266, 78769920), (280, 74831424), (281, 74565120), (285, 73518592), (292, 71756160), (304, 68923680), (320, 65477496), (336, 62359520), (365, 57404928), (380, 55138944), (384, 54564580), (399, 52513280), (420, 49887616), (438, 47837440), (448, 46769640), (456, 45949120), (480, 43651664), (511, 41003520), (512, 40923435), (532, 39384960), (560, 37415712), (562, 37282560), (570, 36759296), (584, 35878080), (608, 34461840), (640, 32738748), (665, 31507968), (672, 31179760), (730, 28702464), (760, 27569472), (768, 27282290), (798, 26256640), (840, 24943808), (843, 24855040), (876, 23918720), (896, 23384820), (912, 22974560), (960, 21825832), (1022, 20501760), (1064, 19692480), (1095, 19134976), (1120, 18707856), (1124, 18641280), (1140, 18379648), (1168, 17939040), (1216, 17230920), (1280, 16369374), (1330, 15753984), (1344, 15589880), (1387, 15106560), (1405, 14913024), (1460, 14351232), (1520, 13784736), (1533, 13667840), (1536, 13641145), (1596, 13128320), (1680, 12471904), (1686, 12427520), (1752, 11959360), (1792, 11692410), (1824, 11487280), (1920, 10912916), (1967, 10652160), (1995, 10502656), (2044, 10250880), (2128, 9846240), (2190, 9567488), (2240, 9353928), (2248, 9320640), (2280, 9189824), (2336, 8969520), (2432, 8615460), (2555, 8200704), (2560, 8184687), (2660, 7876992), (2688, 7794940), (2774, 7553280), (2810, 7456512), (2920, 7175616), (3040, 6892368), (3066, 6833920), (3192, 6564160), (3360, 6235952), (3372, 6213760), (3504, 5979680), (3584, 5846205), (3648, 5743640), (3840, 5456458), (3934, 5326080), (3990, 5251328), (4088, 5125440), (4161, 5035520), (4215, 4971008), (4256, 4923120), (4380, 4783744), (4480, 4676964), (4496, 4660320), (4560, 4594912), (4672, 4484760), (4864, 4307730), (5110, 4100352), (5320, 3938496), (5339, 3924480), (5376, 3897470), (5548, 3776640), (5620, 3728256), (5840, 3587808), (5901, 3550720), (6080, 3446184), (6132, 3416960), (6384, 3282080), (6720, 3117976), (6744, 3106880), (6935, 3021312), (7008, 2989840), (7296, 2871820), (7665, 2733568), (7680, 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(25536, 820520), (26695, 784896), (26880, 779494), (26976, 776720), (27740, 755328), (28032, 747460), (29127, 719360), (29184, 717955), (29505, 710144), (30660, 683392), (31472, 665760), (31920, 656416), (32034, 654080), (32704, 640680), (33288, 629440), (33720, 621376), (34048, 615390), (35040, 597968), (35968, 582540), (36480, 574364), (37373, 560640), (37376, 560595), (38836, 539520), (39340, 532608), (40880, 512544), (41026, 510720), (41610, 503552), (42560, 492312), (42712, 490560), (44384, 472080), (44960, 466032), (46720, 448476), (47208, 443840), (48545, 431616), (48640, 430773), (49056, 427120), (51072, 410260), (53390, 392448), (53760, 389747), (53952, 388360), (55480, 377664), (56064, 373730), (58254, 359680), (59010, 355072), (61320, 341696), (61539, 340480), (62944, 332880), (63840, 328208), (64068, 327040), (65408, 320340), (66576, 314720), (67440, 310688), (68096, 307695), (70080, 298984), (71936, 291270), (72960, 287182), (74746, 280320), (77672, 269760), (78680, 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