81750760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 232888320

約数和(自身を除く): 151137560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 607, 728, 740, 910, 962, 1036, 1214, 1295, 1480, 1820, 1924, 2072, 2405, 2428, 2590, 3035, 3367, 3640, 3848, 4249, 4810, 4856, 5180, 6070, 6734, 7891, 8498, 9620, 10360, 12140, 13468, 15782, 16835, 16996, 19240, 21245, 22459, 24280, 26936, 31564, 33670, 33992, 39455, 42490, 44918, 55237, 63128, 67340, 78910, 84980, 89836, 110474, 112295, 134680, 157213, 157820, 169960, 179672, 220948, 224590, 276185, 291967, 314426, 315640, 441896, 449180, 552370, 583934, 628852, 786065, 898360, 1104740, 1167868, 1257704, 1459835, 1572130, 2043769, 2209480, 2335736, 2919670, 3144260, 4087538, 5839340, 6288520, 8175076, 10218845, 11678680, 16350152, 20437690, 40875380, 81750760]

約数ペア:

[(1, 81750760), (2, 40875380), (4, 20437690), (5, 16350152), (7, 11678680), (8, 10218845), (10, 8175076), (13, 6288520), (14, 5839340), (20, 4087538), (26, 3144260), (28, 2919670), (35, 2335736), (37, 2209480), (40, 2043769), (52, 1572130), (56, 1459835), (65, 1257704), (70, 1167868), (74, 1104740), (91, 898360), (104, 786065), (130, 628852), (140, 583934), (148, 552370), (182, 449180), (185, 441896), (259, 315640), (260, 314426), (280, 291967), (296, 276185), (364, 224590), (370, 220948), (455, 179672), (481, 169960), (518, 157820), (520, 157213), (607, 134680), (728, 112295), (740, 110474), (910, 89836), (962, 84980), (1036, 78910), (1214, 67340), (1295, 63128), (1480, 55237), (1820, 44918), (1924, 42490), (2072, 39455), (2405, 33992), (2428, 33670), (2590, 31564), (3035, 26936), (3367, 24280), (3640, 22459), (3848, 21245), (4249, 19240), (4810, 16996), (4856, 16835), (5180, 15782), (6070, 13468), (6734, 12140), (7891, 10360), (8498, 9620)]