311670840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{829}}^1$

素因数の和:1097

約数の個数: 128

約数和(自身を含む): 1012334400

約数和(自身を除く): 700663560

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, 130, 156, 195, 241, 260, 312, 390, 482, 520, 723, 780, 829, 964, 1205, 1446, 1560, 1658, 1928, 2410, 2487, 2892, 3133, 3316, 3615, 4145, 4820, 4974, 5784, 6266, 6632, 7230, 8290, 9399, 9640, 9948, 10777, 12435, 12532, 14460, 15665, 16580, 18798, 19896, 21554, 24870, 25064, 28920, 31330, 32331, 33160, 37596, 43108, 46995, 49740, 53885, 62660, 64662, 75192, 86216, 93990, 99480, 107770, 125320, 129324, 161655, 187980, 199789, 215540, 258648, 323310, 375960, 399578, 431080, 599367, 646620, 799156, 998945, 1198734, 1293240, 1598312, 1997890, 2397468, 2597257, 2996835, 3995780, 4794936, 5194514, 5993670, 7791771, 7991560, 10389028, 11987340, 12986285, 15583542, 20778056, 23974680, 25972570, 31167084, 38958855, 51945140, 62334168, 77917710, 103890280, 155835420, 311670840]

約数ペア:

[(1, 311670840), (2, 155835420), (3, 103890280), (4, 77917710), (5, 62334168), (6, 51945140), (8, 38958855), (10, 31167084), (12, 25972570), (13, 23974680), (15, 20778056), (20, 15583542), (24, 12986285), (26, 11987340), (30, 10389028), (39, 7991560), (40, 7791771), (52, 5993670), (60, 5194514), (65, 4794936), (78, 3995780), (104, 2996835), (120, 2597257), (130, 2397468), (156, 1997890), (195, 1598312), (241, 1293240), (260, 1198734), (312, 998945), (390, 799156), (482, 646620), (520, 599367), (723, 431080), (780, 399578), (829, 375960), (964, 323310), (1205, 258648), (1446, 215540), (1560, 199789), (1658, 187980), (1928, 161655), (2410, 129324), (2487, 125320), (2892, 107770), (3133, 99480), (3316, 93990), (3615, 86216), (4145, 75192), (4820, 64662), (4974, 62660), (5784, 53885), (6266, 49740), (6632, 46995), (7230, 43108), (8290, 37596), (9399, 33160), (9640, 32331), (9948, 31330), (10777, 28920), (12435, 25064), (12532, 24870), (14460, 21554), (15665, 19896), (16580, 18798)]