280679100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 886609920

約数和(自身を除く): 605930820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 79, 100, 130, 150, 156, 158, 195, 237, 260, 300, 316, 325, 390, 395, 474, 650, 780, 790, 911, 948, 975, 1027, 1185, 1300, 1580, 1822, 1950, 1975, 2054, 2370, 2733, 3081, 3644, 3900, 3950, 4108, 4555, 4740, 5135, 5466, 5925, 6162, 7900, 9110, 10270, 10932, 11843, 11850, 12324, 13665, 15405, 18220, 20540, 22775, 23686, 23700, 25675, 27330, 30810, 35529, 45550, 47372, 51350, 54660, 59215, 61620, 68325, 71058, 71969, 77025, 91100, 102700, 118430, 136650, 142116, 143938, 154050, 177645, 215907, 236860, 273300, 287876, 296075, 308100, 355290, 359845, 431814, 592150, 710580, 719690, 863628, 888225, 935597, 1079535, 1184300, 1439380, 1776450, 1799225, 1871194, 2159070, 2806791, 3552900, 3598450, 3742388, 4318140, 4677985, 5397675, 5613582, 7196900, 9355970, 10795350, 11227164, 14033955, 18711940, 21590700, 23389925, 28067910, 46779850, 56135820, 70169775, 93559700, 140339550, 280679100]

約数ペア:

[(1, 280679100), (2, 140339550), (3, 93559700), (4, 70169775), (5, 56135820), (6, 46779850), (10, 28067910), (12, 23389925), (13, 21590700), (15, 18711940), (20, 14033955), (25, 11227164), (26, 10795350), (30, 9355970), (39, 7196900), (50, 5613582), (52, 5397675), (60, 4677985), (65, 4318140), (75, 3742388), (78, 3598450), (79, 3552900), (100, 2806791), (130, 2159070), (150, 1871194), (156, 1799225), (158, 1776450), (195, 1439380), (237, 1184300), (260, 1079535), (300, 935597), (316, 888225), (325, 863628), (390, 719690), (395, 710580), (474, 592150), (650, 431814), (780, 359845), (790, 355290), (911, 308100), (948, 296075), (975, 287876), (1027, 273300), (1185, 236860), (1300, 215907), (1580, 177645), (1822, 154050), (1950, 143938), (1975, 142116), (2054, 136650), (2370, 118430), (2733, 102700), (3081, 91100), (3644, 77025), (3900, 71969), (3950, 71058), (4108, 68325), (4555, 61620), (4740, 59215), (5135, 54660), (5466, 51350), (5925, 47372), (6162, 45550), (7900, 35529), (9110, 30810), (10270, 27330), (10932, 25675), (11843, 23700), (11850, 23686), (12324, 22775), (13665, 20540), (15405, 18220)]