55145580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18757}}^1$

素因数の和:18783

約数の個数: 72

約数和(自身を含む): 179626608

約数和(自身を除く): 124481028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18757, 37514, 56271, 75028, 93785, 112542, 131299, 187570, 225084, 262598, 281355, 375140, 393897, 525196, 562710, 656495, 787794, 919093, 1125420, 1312990, 1575588, 1838186, 1969485, 2625980, 2757279, 3676372, 3938970, 4595465, 5514558, 7877940, 9190930, 11029116, 13786395, 18381860, 27572790, 55145580]

約数ペア:

[(1, 55145580), (2, 27572790), (3, 18381860), (4, 13786395), (5, 11029116), (6, 9190930), (7, 7877940), (10, 5514558), (12, 4595465), (14, 3938970), (15, 3676372), (20, 2757279), (21, 2625980), (28, 1969485), (30, 1838186), (35, 1575588), (42, 1312990), (49, 1125420), (60, 919093), (70, 787794), (84, 656495), (98, 562710), (105, 525196), (140, 393897), (147, 375140), (196, 281355), (210, 262598), (245, 225084), (294, 187570), (420, 131299), (490, 112542), (588, 93785), (735, 75028), (980, 56271), (1470, 37514), (2940, 18757)]