72676840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 167904000

約数和(自身を除く): 95227160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 109, 158, 211, 218, 316, 395, 422, 436, 545, 632, 790, 844, 872, 1055, 1090, 1580, 1688, 2110, 2180, 3160, 4220, 4360, 8440, 8611, 16669, 17222, 22999, 33338, 34444, 43055, 45998, 66676, 68888, 83345, 86110, 91996, 114995, 133352, 166690, 172220, 183992, 229990, 333380, 344440, 459980, 666760, 919960, 1816921, 3633842, 7267684, 9084605, 14535368, 18169210, 36338420, 72676840]

約数ペア:

[(1, 72676840), (2, 36338420), (4, 18169210), (5, 14535368), (8, 9084605), (10, 7267684), (20, 3633842), (40, 1816921), (79, 919960), (109, 666760), (158, 459980), (211, 344440), (218, 333380), (316, 229990), (395, 183992), (422, 172220), (436, 166690), (545, 133352), (632, 114995), (790, 91996), (844, 86110), (872, 83345), (1055, 68888), (1090, 66676), (1580, 45998), (1688, 43055), (2110, 34444), (2180, 33338), (3160, 22999), (4220, 17222), (4360, 16669), (8440, 8611)]