15677399240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{128377}}^1$

素因数の和:128502

約数の個数: 64

約数和(自身を含む): 36603135360

約数和(自身を除く): 20925736120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2840, 3053, 6106, 12212, 15265, 24424, 30530, 61060, 122120, 128377, 256754, 513508, 641885, 1027016, 1283770, 2567540, 5135080, 5520211, 9114767, 11040422, 18229534, 22080844, 27601055, 36459068, 44161688, 45573835, 55202110, 72918136, 91147670, 110404220, 182295340, 220808440, 364590680, 391934981, 783869962, 1567739924, 1959674905, 3135479848, 3919349810, 7838699620, 15677399240]

約数ペア:

[(1, 15677399240), (2, 7838699620), (4, 3919349810), (5, 3135479848), (8, 1959674905), (10, 1567739924), (20, 783869962), (40, 391934981), (43, 364590680), (71, 220808440), (86, 182295340), (142, 110404220), (172, 91147670), (215, 72918136), (284, 55202110), (344, 45573835), (355, 44161688), (430, 36459068), (568, 27601055), (710, 22080844), (860, 18229534), (1420, 11040422), (1720, 9114767), (2840, 5520211), (3053, 5135080), (6106, 2567540), (12212, 1283770), (15265, 1027016), (24424, 641885), (30530, 513508), (61060, 256754), (122120, 128377)]