71951620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 171601920

約数和(自身を除く): 99650300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 79, 113, 124, 130, 155, 158, 226, 260, 310, 316, 395, 403, 452, 565, 620, 790, 806, 1027, 1130, 1469, 1580, 1612, 2015, 2054, 2260, 2449, 2938, 3503, 4030, 4108, 4898, 5135, 5876, 7006, 7345, 8060, 8927, 9796, 10270, 12245, 14012, 14690, 17515, 17854, 20540, 24490, 29380, 31837, 35030, 35708, 44635, 45539, 48980, 63674, 70060, 89270, 91078, 116051, 127348, 159185, 178540, 182156, 227695, 232102, 276737, 318370, 455390, 464204, 553474, 580255, 636740, 910780, 1106948, 1160510, 1383685, 2321020, 2767370, 3597581, 5534740, 7195162, 14390324, 17987905, 35975810, 71951620]

約数ペア:

[(1, 71951620), (2, 35975810), (4, 17987905), (5, 14390324), (10, 7195162), (13, 5534740), (20, 3597581), (26, 2767370), (31, 2321020), (52, 1383685), (62, 1160510), (65, 1106948), (79, 910780), (113, 636740), (124, 580255), (130, 553474), (155, 464204), (158, 455390), (226, 318370), (260, 276737), (310, 232102), (316, 227695), (395, 182156), (403, 178540), (452, 159185), (565, 127348), (620, 116051), (790, 91078), (806, 89270), (1027, 70060), (1130, 63674), (1469, 48980), (1580, 45539), (1612, 44635), (2015, 35708), (2054, 35030), (2260, 31837), (2449, 29380), (2938, 24490), (3503, 20540), (4030, 17854), (4108, 17515), (4898, 14690), (5135, 14012), (5876, 12245), (7006, 10270), (7345, 9796), (8060, 8927)]