256925760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 448

約数和(自身を含む): 1069189632

約数和(自身を除く): 812263872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 64, 65, 68, 70, 78, 80, 84, 85, 91, 96, 102, 104, 105, 112, 119, 120, 130, 136, 140, 156, 160, 168, 170, 173, 182, 192, 195, 204, 208, 210, 221, 224, 238, 240, 255, 260, 272, 273, 280, 312, 320, 336, 340, 346, 357, 364, 390, 408, 416, 420, 442, 448, 455, 476, 480, 510, 519, 520, 544, 546, 560, 595, 624, 663, 672, 680, 692, 714, 728, 780, 816, 832, 840, 865, 884, 910, 952, 960, 1020, 1038, 1040, 1088, 1092, 1105, 1120, 1190, 1211, 1248, 1326, 1344, 1360, 1365, 1384, 1428, 1456, 1547, 1560, 1632, 1680, 1730, 1768, 1785, 1820, 1904, 2040, 2076, 2080, 2184, 2210, 2240, 2249, 2380, 2422, 2496, 2595, 2652, 2720, 2730, 2768, 2856, 2912, 2941, 3094, 3120, 3264, 3315, 3360, 3460, 3536, 3570, 3633, 3640, 3808, 4080, 4152, 4160, 4368, 4420, 4498, 4641, 4760, 4844, 5190, 5304, 5440, 5460, 5536, 5712, 5824, 5882, 6055, 6188, 6240, 6630, 6720, 6747, 6920, 7072, 7140, 7266, 7280, 7616, 7735, 8160, 8304, 8736, 8823, 8840, 8996, 9282, 9520, 9688, 10380, 10608, 10920, 11072, 11245, 11424, 11764, 12110, 12376, 12480, 13260, 13494, 13840, 14144, 14280, 14532, 14560, 14705, 15470, 15743, 16320, 16608, 17472, 17646, 17680, 17992, 18165, 18564, 19040, 19376, 20587, 20760, 21216, 21840, 22490, 22848, 23205, 23528, 24220, 24752, 26520, 26988, 27680, 28560, 29064, 29120, 29410, 30940, 31486, 33216, 33735, 35292, 35360, 35984, 36330, 37128, 38080, 38233, 38752, 41174, 41520, 42432, 43680, 44115, 44980, 46410, 47056, 47229, 48440, 49504, 53040, 53976, 55360, 57120, 58128, 58820, 61761, 61880, 62972, 67470, 70584, 70720, 71968, 72660, 74256, 76466, 77504, 78715, 82348, 83040, 87360, 88230, 89960, 92820, 94112, 94458, 96880, 99008, 102935, 106080, 107952, 114240, 114699, 116256, 117640, 123522, 123760, 125944, 134940, 141168, 143936, 145320, 148512, 152932, 157430, 164696, 166080, 176460, 179920, 185640, 188224, 188916, 191165, 193760, 205870, 212160, 215904, 229398, 232512, 235280, 236145, 247044, 247520, 251888, 267631, 269880, 282336, 290640, 297024, 305864, 308805, 314860, 329392, 352920, 359840, 371280, 377832, 382330, 387520, 411740, 431808, 458796, 470560, 472290, 494088, 495040, 503776, 535262, 539760, 564672, 573495, 581280, 611728, 617610, 629720, 658784, 705840, 719680, 742560, 755664, 764660, 802893, 823480, 917592, 941120, 944580, 988176, 1007552, 1070524, 1079520, 1146990, 1162560, 1223456, 1235220, 1259440, 1317568, 1338155, 1411680, 1485120, 1511328, 1529320, 1605786, 1646960, 1835184, 1889160, 1976352, 2141048, 2159040, 2293980, 2446912, 2470440, 2518880, 2676310, 2823360, 3022656, 3058640, 3211572, 3293920, 3670368, 3778320, 3952704, 4014465, 4282096, 4587960, 4940880, 5037760, 5352620, 6117280, 6423144, 6587840, 7340736, 7556640, 8028930, 8564192, 9175920, 9881760, 10705240, 12234560, 12846288, 15113280, 16057860, 17128384, 18351840, 19763520, 21410480, 25692576, 32115720, 36703680, 42820960, 51385152, 64231440, 85641920, 128462880, 256925760]

約数ペア:

[(1, 256925760), (2, 128462880), (3, 85641920), (4, 64231440), (5, 51385152), (6, 42820960), (7, 36703680), (8, 32115720), (10, 25692576), (12, 21410480), (13, 19763520), (14, 18351840), (15, 17128384), (16, 16057860), (17, 15113280), (20, 12846288), (21, 12234560), (24, 10705240), (26, 9881760), (28, 9175920), (30, 8564192), (32, 8028930), (34, 7556640), (35, 7340736), (39, 6587840), (40, 6423144), (42, 6117280), (48, 5352620), (51, 5037760), (52, 4940880), (56, 4587960), (60, 4282096), (64, 4014465), (65, 3952704), (68, 3778320), (70, 3670368), (78, 3293920), (80, 3211572), (84, 3058640), (85, 3022656), (91, 2823360), (96, 2676310), (102, 2518880), (104, 2470440), (105, 2446912), (112, 2293980), (119, 2159040), (120, 2141048), (130, 1976352), (136, 1889160), (140, 1835184), (156, 1646960), (160, 1605786), (168, 1529320), (170, 1511328), (173, 1485120), (182, 1411680), (192, 1338155), (195, 1317568), (204, 1259440), (208, 1235220), (210, 1223456), (221, 1162560), (224, 1146990), (238, 1079520), (240, 1070524), (255, 1007552), (260, 988176), (272, 944580), (273, 941120), (280, 917592), (312, 823480), (320, 802893), (336, 764660), (340, 755664), (346, 742560), (357, 719680), (364, 705840), (390, 658784), (408, 629720), (416, 617610), (420, 611728), (442, 581280), (448, 573495), (455, 564672), (476, 539760), (480, 535262), (510, 503776), (519, 495040), (520, 494088), (544, 472290), (546, 470560), (560, 458796), (595, 431808), (624, 411740), (663, 387520), (672, 382330), (680, 377832), (692, 371280), (714, 359840), (728, 352920), (780, 329392), (816, 314860), (832, 308805), (840, 305864), (865, 297024), (884, 290640), (910, 282336), (952, 269880), (960, 267631), (1020, 251888), (1038, 247520), (1040, 247044), (1088, 236145), (1092, 235280), (1105, 232512), (1120, 229398), (1190, 215904), (1211, 212160), (1248, 205870), (1326, 193760), (1344, 191165), (1360, 188916), (1365, 188224), (1384, 185640), (1428, 179920), (1456, 176460), (1547, 166080), (1560, 164696), (1632, 157430), (1680, 152932), (1730, 148512), (1768, 145320), (1785, 143936), (1820, 141168), (1904, 134940), (2040, 125944), (2076, 123760), (2080, 123522), (2184, 117640), (2210, 116256), (2240, 114699), (2249, 114240), (2380, 107952), (2422, 106080), (2496, 102935), (2595, 99008), (2652, 96880), (2720, 94458), (2730, 94112), (2768, 92820), (2856, 89960), (2912, 88230), (2941, 87360), (3094, 83040), (3120, 82348), (3264, 78715), (3315, 77504), (3360, 76466), (3460, 74256), (3536, 72660), (3570, 71968), (3633, 70720), (3640, 70584), (3808, 67470), (4080, 62972), (4152, 61880), (4160, 61761), (4368, 58820), (4420, 58128), (4498, 57120), (4641, 55360), (4760, 53976), (4844, 53040), (5190, 49504), (5304, 48440), (5440, 47229), (5460, 47056), (5536, 46410), (5712, 44980), (5824, 44115), (5882, 43680), (6055, 42432), (6188, 41520), (6240, 41174), (6630, 38752), (6720, 38233), (6747, 38080), (6920, 37128), (7072, 36330), (7140, 35984), (7266, 35360), (7280, 35292), (7616, 33735), (7735, 33216), (8160, 31486), (8304, 30940), (8736, 29410), (8823, 29120), (8840, 29064), (8996, 28560), (9282, 27680), (9520, 26988), (9688, 26520), (10380, 24752), (10608, 24220), (10920, 23528), (11072, 23205), (11245, 22848), (11424, 22490), (11764, 21840), (12110, 21216), (12376, 20760), (12480, 20587), (13260, 19376), (13494, 19040), (13840, 18564), (14144, 18165), (14280, 17992), (14532, 17680), (14560, 17646), (14705, 17472), (15470, 16608), (15743, 16320)]