311682540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1411

約数の個数: 96

約数和(自身を含む): 943104960

約数和(自身を除く): 631422420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 409, 780, 818, 977, 1227, 1636, 1954, 2045, 2454, 2931, 3908, 4090, 4885, 4908, 5317, 5862, 6135, 8180, 9770, 10634, 11724, 12270, 12701, 14655, 15951, 19540, 21268, 24540, 25402, 26585, 29310, 31902, 38103, 50804, 53170, 58620, 63505, 63804, 76206, 79755, 106340, 127010, 152412, 159510, 190515, 254020, 319020, 381030, 399593, 762060, 799186, 1198779, 1598372, 1997965, 2397558, 3995930, 4795116, 5194709, 5993895, 7991860, 10389418, 11987790, 15584127, 20778836, 23975580, 25973545, 31168254, 51947090, 62336508, 77920635, 103894180, 155841270, 311682540]

約数ペア:

[(1, 311682540), (2, 155841270), (3, 103894180), (4, 77920635), (5, 62336508), (6, 51947090), (10, 31168254), (12, 25973545), (13, 23975580), (15, 20778836), (20, 15584127), (26, 11987790), (30, 10389418), (39, 7991860), (52, 5993895), (60, 5194709), (65, 4795116), (78, 3995930), (130, 2397558), (156, 1997965), (195, 1598372), (260, 1198779), (390, 799186), (409, 762060), (780, 399593), (818, 381030), (977, 319020), (1227, 254020), (1636, 190515), (1954, 159510), (2045, 152412), (2454, 127010), (2931, 106340), (3908, 79755), (4090, 76206), (4885, 63804), (4908, 63505), (5317, 58620), (5862, 53170), (6135, 50804), (8180, 38103), (9770, 31902), (10634, 29310), (11724, 26585), (12270, 25402), (12701, 24540), (14655, 21268), (15951, 19540)]