21420499680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8999}}^1$

素因数の和:9071

約数の個数: 384

約数和(自身を含む): 81648000000

約数和(自身を除く): 60227500320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 29, 30, 32, 36, 38, 40, 45, 48, 54, 57, 58, 60, 72, 76, 80, 87, 90, 95, 96, 108, 114, 116, 120, 135, 144, 145, 152, 160, 171, 174, 180, 190, 216, 228, 232, 240, 261, 270, 285, 288, 290, 304, 342, 348, 360, 380, 432, 435, 456, 464, 480, 513, 522, 540, 551, 570, 580, 608, 684, 696, 720, 760, 783, 855, 864, 870, 912, 928, 1026, 1044, 1080, 1102, 1140, 1160, 1305, 1368, 1392, 1440, 1520, 1566, 1653, 1710, 1740, 1824, 2052, 2088, 2160, 2204, 2280, 2320, 2565, 2610, 2736, 2755, 2784, 3040, 3132, 3306, 3420, 3480, 3915, 4104, 4176, 4320, 4408, 4560, 4640, 4959, 5130, 5220, 5472, 5510, 6264, 6612, 6840, 6960, 7830, 8208, 8265, 8352, 8816, 8999, 9120, 9918, 10260, 10440, 11020, 12528, 13224, 13680, 13920, 14877, 15660, 16416, 16530, 17632, 17998, 19836, 20520, 20880, 22040, 24795, 25056, 26448, 26997, 27360, 29754, 31320, 33060, 35996, 39672, 41040, 41760, 44080, 44995, 49590, 52896, 53994, 59508, 62640, 66120, 71992, 74385, 79344, 80991, 82080, 88160, 89990, 99180, 107988, 119016, 125280, 132240, 134985, 143984, 148770, 158688, 161982, 170981, 179980, 198360, 215976, 238032, 242973, 260971, 264480, 269970, 287968, 297540, 323964, 341962, 359960, 396720, 404955, 431952, 476064, 485946, 512943, 521942, 539940, 595080, 647928, 683924, 719920, 782913, 793440, 809910, 854905, 863904, 971892, 1025886, 1043884, 1079880, 1190160, 1214865, 1295856, 1304855, 1367848, 1439840, 1538829, 1565826, 1619820, 1709810, 1943784, 2051772, 2087768, 2159760, 2348739, 2380320, 2429730, 2564715, 2591712, 2609710, 2735696, 3077658, 3131652, 3239640, 3419620, 3887568, 3914565, 4103544, 4175536, 4319520, 4616487, 4697478, 4859460, 4958449, 5129430, 5219420, 5471392, 6155316, 6263304, 6479280, 6839240, 7046217, 7694145, 7775136, 7829130, 8207088, 8351072, 9232974, 9394956, 9718920, 9916898, 10258860, 10438840, 11743695, 12310632, 12526608, 12958560, 13678480, 14092434, 14875347, 15388290, 15658260, 16414176, 18465948, 18789912, 19437840, 19833796, 20517720, 20877680, 23082435, 23487390, 24621264, 24792245, 25053216, 27356960, 28184868, 29750694, 30776580, 31316520, 35231085, 36931896, 37579824, 38875680, 39667592, 41035440, 41755360, 44626041, 46164870, 46974780, 49242528, 49584490, 56369736, 59501388, 61553160, 62633040, 70462170, 73863792, 74376735, 75159648, 79335184, 82070880, 89252082, 92329740, 93949560, 99168980, 112739472, 119002776, 123106320, 125266080, 133878123, 140924340, 147727584, 148753470, 158670368, 178504164, 184659480, 187899120, 198337960, 223130205, 225478944, 238005552, 246212640, 267756246, 281848680, 297506940, 357008328, 369318960, 375798240, 396675920, 446260410, 476011104, 535512492, 563697360, 595013880, 669390615, 714016656, 738637920, 793351840, 892520820, 1071024984, 1127394720, 1190027760, 1338781230, 1428033312, 1785041640, 2142049968, 2380055520, 2677562460, 3570083280, 4284099936, 5355124920, 7140166560, 10710249840, 21420499680]

約数ペア:

[(1, 21420499680), (2, 10710249840), (3, 7140166560), (4, 5355124920), (5, 4284099936), (6, 3570083280), (8, 2677562460), (9, 2380055520), (10, 2142049968), (12, 1785041640), (15, 1428033312), (16, 1338781230), (18, 1190027760), (19, 1127394720), (20, 1071024984), (24, 892520820), (27, 793351840), (29, 738637920), (30, 714016656), (32, 669390615), (36, 595013880), (38, 563697360), (40, 535512492), (45, 476011104), (48, 446260410), (54, 396675920), (57, 375798240), (58, 369318960), (60, 357008328), (72, 297506940), (76, 281848680), (80, 267756246), (87, 246212640), (90, 238005552), (95, 225478944), (96, 223130205), (108, 198337960), (114, 187899120), (116, 184659480), (120, 178504164), (135, 158670368), (144, 148753470), (145, 147727584), (152, 140924340), (160, 133878123), (171, 125266080), (174, 123106320), (180, 119002776), (190, 112739472), (216, 99168980), (228, 93949560), (232, 92329740), (240, 89252082), (261, 82070880), (270, 79335184), (285, 75159648), (288, 74376735), (290, 73863792), (304, 70462170), (342, 62633040), (348, 61553160), (360, 59501388), (380, 56369736), (432, 49584490), (435, 49242528), (456, 46974780), (464, 46164870), (480, 44626041), (513, 41755360), (522, 41035440), (540, 39667592), (551, 38875680), (570, 37579824), (580, 36931896), (608, 35231085), (684, 31316520), (696, 30776580), (720, 29750694), (760, 28184868), (783, 27356960), (855, 25053216), (864, 24792245), (870, 24621264), (912, 23487390), (928, 23082435), (1026, 20877680), (1044, 20517720), (1080, 19833796), (1102, 19437840), (1140, 18789912), (1160, 18465948), (1305, 16414176), (1368, 15658260), (1392, 15388290), (1440, 14875347), (1520, 14092434), (1566, 13678480), (1653, 12958560), (1710, 12526608), (1740, 12310632), (1824, 11743695), (2052, 10438840), (2088, 10258860), (2160, 9916898), (2204, 9718920), (2280, 9394956), (2320, 9232974), (2565, 8351072), (2610, 8207088), (2736, 7829130), (2755, 7775136), (2784, 7694145), (3040, 7046217), (3132, 6839240), (3306, 6479280), (3420, 6263304), (3480, 6155316), (3915, 5471392), (4104, 5219420), (4176, 5129430), (4320, 4958449), (4408, 4859460), (4560, 4697478), (4640, 4616487), (4959, 4319520), (5130, 4175536), (5220, 4103544), (5472, 3914565), (5510, 3887568), (6264, 3419620), (6612, 3239640), (6840, 3131652), (6960, 3077658), (7830, 2735696), (8208, 2609710), (8265, 2591712), (8352, 2564715), (8816, 2429730), (8999, 2380320), (9120, 2348739), (9918, 2159760), (10260, 2087768), (10440, 2051772), (11020, 1943784), (12528, 1709810), (13224, 1619820), (13680, 1565826), (13920, 1538829), (14877, 1439840), (15660, 1367848), (16416, 1304855), (16530, 1295856), (17632, 1214865), (17998, 1190160), (19836, 1079880), (20520, 1043884), (20880, 1025886), (22040, 971892), (24795, 863904), (25056, 854905), (26448, 809910), (26997, 793440), (27360, 782913), (29754, 719920), (31320, 683924), (33060, 647928), (35996, 595080), (39672, 539940), (41040, 521942), (41760, 512943), (44080, 485946), (44995, 476064), (49590, 431952), (52896, 404955), (53994, 396720), (59508, 359960), (62640, 341962), (66120, 323964), (71992, 297540), (74385, 287968), (79344, 269970), (80991, 264480), (82080, 260971), (88160, 242973), (89990, 238032), (99180, 215976), (107988, 198360), (119016, 179980), (125280, 170981), (132240, 161982), (134985, 158688), (143984, 148770)]