321152520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 128

約数和(自身を含む): 1046384640

約数和(自身を除く): 725232120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 127, 130, 156, 195, 254, 260, 312, 381, 390, 508, 520, 635, 762, 780, 1016, 1270, 1524, 1560, 1621, 1651, 1905, 2540, 3048, 3242, 3302, 3810, 4863, 4953, 5080, 6484, 6604, 7620, 8105, 8255, 9726, 9906, 12968, 13208, 15240, 16210, 16510, 19452, 19812, 21073, 24315, 24765, 32420, 33020, 38904, 39624, 42146, 48630, 49530, 63219, 64840, 66040, 84292, 97260, 99060, 105365, 126438, 168584, 194520, 198120, 205867, 210730, 252876, 316095, 411734, 421460, 505752, 617601, 632190, 823468, 842920, 1029335, 1235202, 1264380, 1646936, 2058670, 2470404, 2528760, 2676271, 3088005, 4117340, 4940808, 5352542, 6176010, 8028813, 8234680, 10705084, 12352020, 13381355, 16057626, 21410168, 24704040, 26762710, 32115252, 40144065, 53525420, 64230504, 80288130, 107050840, 160576260, 321152520]

約数ペア:

[(1, 321152520), (2, 160576260), (3, 107050840), (4, 80288130), (5, 64230504), (6, 53525420), (8, 40144065), (10, 32115252), (12, 26762710), (13, 24704040), (15, 21410168), (20, 16057626), (24, 13381355), (26, 12352020), (30, 10705084), (39, 8234680), (40, 8028813), (52, 6176010), (60, 5352542), (65, 4940808), (78, 4117340), (104, 3088005), (120, 2676271), (127, 2528760), (130, 2470404), (156, 2058670), (195, 1646936), (254, 1264380), (260, 1235202), (312, 1029335), (381, 842920), (390, 823468), (508, 632190), (520, 617601), (635, 505752), (762, 421460), (780, 411734), (1016, 316095), (1270, 252876), (1524, 210730), (1560, 205867), (1621, 198120), (1651, 194520), (1905, 168584), (2540, 126438), (3048, 105365), (3242, 99060), (3302, 97260), (3810, 84292), (4863, 66040), (4953, 64840), (5080, 63219), (6484, 49530), (6604, 48630), (7620, 42146), (8105, 39624), (8255, 38904), (9726, 33020), (9906, 32420), (12968, 24765), (13208, 24315), (15240, 21073), (16210, 19812), (16510, 19452)]