87047940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207257}}^1$

素因数の和:207276

約数の個数: 48

約数和(自身を含む): 278554752

約数和(自身を除く): 191506812

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, 207257, 414514, 621771, 829028, 1036285, 1243542, 1450799, 2072570, 2487084, 2901598, 3108855, 4145140, 4352397, 5803196, 6217710, 7253995, 8704794, 12435420, 14507990, 17409588, 21761985, 29015980, 43523970, 87047940]

約数ペア:

[(1, 87047940), (2, 43523970), (3, 29015980), (4, 21761985), (5, 17409588), (6, 14507990), (7, 12435420), (10, 8704794), (12, 7253995), (14, 6217710), (15, 5803196), (20, 4352397), (21, 4145140), (28, 3108855), (30, 2901598), (35, 2487084), (42, 2072570), (60, 1450799), (70, 1243542), (84, 1036285), (105, 829028), (140, 621771), (210, 414514), (420, 207257)]