15525020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 37533888

約数和(自身を除く): 22008868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 641, 692, 865, 1211, 1282, 1730, 2422, 2564, 3205, 3460, 4487, 4844, 6055, 6410, 8974, 12110, 12820, 17948, 22435, 24220, 44870, 89740, 110893, 221786, 443572, 554465, 776251, 1108930, 1552502, 2217860, 3105004, 3881255, 7762510, 15525020]

約数ペア:

[(1, 15525020), (2, 7762510), (4, 3881255), (5, 3105004), (7, 2217860), (10, 1552502), (14, 1108930), (20, 776251), (28, 554465), (35, 443572), (70, 221786), (140, 110893), (173, 89740), (346, 44870), (641, 24220), (692, 22435), (865, 17948), (1211, 12820), (1282, 12110), (1730, 8974), (2422, 6410), (2564, 6055), (3205, 4844), (3460, 4487)]