51811020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4031

約数の個数: 72

約数和(自身を含む): 159353376

約数和(自身を除く): 107542356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 3943, 4380, 6570, 7886, 11829, 13140, 15772, 19715, 23658, 35487, 39430, 47316, 59145, 70974, 78860, 118290, 141948, 177435, 236580, 287839, 354870, 575678, 709740, 863517, 1151356, 1439195, 1727034, 2590551, 2878390, 3454068, 4317585, 5181102, 5756780, 8635170, 10362204, 12952755, 17270340, 25905510, 51811020]

約数ペア:

[(1, 51811020), (2, 25905510), (3, 17270340), (4, 12952755), (5, 10362204), (6, 8635170), (9, 5756780), (10, 5181102), (12, 4317585), (15, 3454068), (18, 2878390), (20, 2590551), (30, 1727034), (36, 1439195), (45, 1151356), (60, 863517), (73, 709740), (90, 575678), (146, 354870), (180, 287839), (219, 236580), (292, 177435), (365, 141948), (438, 118290), (657, 78860), (730, 70974), (876, 59145), (1095, 47316), (1314, 39430), (1460, 35487), (2190, 23658), (2628, 19715), (3285, 15772), (3943, 13140), (4380, 11829), (6570, 7886)]