180907860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{757}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 580688640

約数和(自身を除く): 399780780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 569, 757, 1138, 1514, 1707, 2271, 2276, 2845, 3028, 3414, 3785, 3983, 4542, 5299, 5690, 6828, 7570, 7966, 8535, 9084, 10598, 11355, 11380, 11949, 15140, 15897, 15932, 17070, 19915, 21196, 22710, 23898, 26495, 31794, 34140, 39830, 45420, 47796, 52990, 59745, 63588, 79485, 79660, 105980, 119490, 158970, 238980, 317940, 430733, 861466, 1292199, 1722932, 2153665, 2584398, 3015131, 4307330, 5168796, 6030262, 6460995, 8614660, 9045393, 12060524, 12921990, 15075655, 18090786, 25843980, 30151310, 36181572, 45226965, 60302620, 90453930, 180907860]

約数ペア:

[(1, 180907860), (2, 90453930), (3, 60302620), (4, 45226965), (5, 36181572), (6, 30151310), (7, 25843980), (10, 18090786), (12, 15075655), (14, 12921990), (15, 12060524), (20, 9045393), (21, 8614660), (28, 6460995), (30, 6030262), (35, 5168796), (42, 4307330), (60, 3015131), (70, 2584398), (84, 2153665), (105, 1722932), (140, 1292199), (210, 861466), (420, 430733), (569, 317940), (757, 238980), (1138, 158970), (1514, 119490), (1707, 105980), (2271, 79660), (2276, 79485), (2845, 63588), (3028, 59745), (3414, 52990), (3785, 47796), (3983, 45420), (4542, 39830), (5299, 34140), (5690, 31794), (6828, 26495), (7570, 23898), (7966, 22710), (8535, 21196), (9084, 19915), (10598, 17070), (11355, 15932), (11380, 15897), (11949, 15140)]