1296285720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{136739}}^1$

素因数の和:136832

約数の個数: 64

約数和(自身を含む): 3938112000

約数和(自身を除く): 2641826280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 136739, 273478, 410217, 546956, 683695, 820434, 1093912, 1367390, 1640868, 2051085, 2734780, 3281736, 4102170, 5469560, 8204340, 10802381, 16408680, 21604762, 32407143, 43209524, 54011905, 64814286, 86419048, 108023810, 129628572, 162035715, 216047620, 259257144, 324071430, 432095240, 648142860, 1296285720]

約数ペア:

[(1, 1296285720), (2, 648142860), (3, 432095240), (4, 324071430), (5, 259257144), (6, 216047620), (8, 162035715), (10, 129628572), (12, 108023810), (15, 86419048), (20, 64814286), (24, 54011905), (30, 43209524), (40, 32407143), (60, 21604762), (79, 16408680), (120, 10802381), (158, 8204340), (237, 5469560), (316, 4102170), (395, 3281736), (474, 2734780), (632, 2051085), (790, 1640868), (948, 1367390), (1185, 1093912), (1580, 820434), (1896, 683695), (2370, 546956), (3160, 410217), (4740, 273478), (9480, 136739)]