128333940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43651}}^1$

素因数の和:43677

約数の個数: 72

約数和(自身を含む): 418011552

約数和(自身を除く): 289677612

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, 43651, 87302, 130953, 174604, 218255, 261906, 305557, 436510, 523812, 611114, 654765, 873020, 916671, 1222228, 1309530, 1527785, 1833342, 2138899, 2619060, 3055570, 3666684, 4277798, 4583355, 6111140, 6416697, 8555596, 9166710, 10694495, 12833394, 18333420, 21388990, 25666788, 32083485, 42777980, 64166970, 128333940]

約数ペア:

[(1, 128333940), (2, 64166970), (3, 42777980), (4, 32083485), (5, 25666788), (6, 21388990), (7, 18333420), (10, 12833394), (12, 10694495), (14, 9166710), (15, 8555596), (20, 6416697), (21, 6111140), (28, 4583355), (30, 4277798), (35, 3666684), (42, 3055570), (49, 2619060), (60, 2138899), (70, 1833342), (84, 1527785), (98, 1309530), (105, 1222228), (140, 916671), (147, 873020), (196, 654765), (210, 611114), (245, 523812), (294, 436510), (420, 305557), (490, 261906), (588, 218255), (735, 174604), (980, 130953), (1470, 87302), (2940, 43651)]