157022840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 418521600

約数和(自身を除く): 261498760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 437, 460, 494, 520, 598, 691, 760, 874, 920, 988, 1196, 1235, 1382, 1495, 1748, 1976, 2185, 2392, 2470, 2764, 2990, 3455, 3496, 4370, 4940, 5528, 5681, 5980, 6910, 8740, 8983, 9880, 11362, 11960, 13129, 13820, 15893, 17480, 17966, 22724, 26258, 27640, 28405, 31786, 35932, 44915, 45448, 52516, 56810, 63572, 65645, 71864, 79465, 89830, 105032, 113620, 127144, 131290, 158930, 170677, 179660, 206609, 227240, 262580, 301967, 317860, 341354, 359320, 413218, 525160, 603934, 635720, 682708, 826436, 853385, 1033045, 1207868, 1365416, 1509835, 1652872, 1706770, 2066090, 2415736, 3019670, 3413540, 3925571, 4132180, 6039340, 6827080, 7851142, 8264360, 12078680, 15702284, 19627855, 31404568, 39255710, 78511420, 157022840]

約数ペア:

[(1, 157022840), (2, 78511420), (4, 39255710), (5, 31404568), (8, 19627855), (10, 15702284), (13, 12078680), (19, 8264360), (20, 7851142), (23, 6827080), (26, 6039340), (38, 4132180), (40, 3925571), (46, 3413540), (52, 3019670), (65, 2415736), (76, 2066090), (92, 1706770), (95, 1652872), (104, 1509835), (115, 1365416), (130, 1207868), (152, 1033045), (184, 853385), (190, 826436), (230, 682708), (247, 635720), (260, 603934), (299, 525160), (380, 413218), (437, 359320), (460, 341354), (494, 317860), (520, 301967), (598, 262580), (691, 227240), (760, 206609), (874, 179660), (920, 170677), (988, 158930), (1196, 131290), (1235, 127144), (1382, 113620), (1495, 105032), (1748, 89830), (1976, 79465), (2185, 71864), (2392, 65645), (2470, 63572), (2764, 56810), (2990, 52516), (3455, 45448), (3496, 44915), (4370, 35932), (4940, 31786), (5528, 28405), (5681, 27640), (5980, 26258), (6910, 22724), (8740, 17966), (8983, 17480), (9880, 15893), (11362, 13820), (11960, 13129)]