131419120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2282

約数の個数: 80

約数和(自身を含む): 352566720

約数和(自身を除く): 221147600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2153, 2180, 3052, 3815, 4306, 4360, 6104, 7630, 8612, 8720, 10765, 12208, 15071, 15260, 17224, 21530, 30142, 30520, 34448, 43060, 60284, 61040, 75355, 86120, 120568, 150710, 172240, 234677, 241136, 301420, 469354, 602840, 938708, 1173385, 1205680, 1642739, 1877416, 2346770, 3285478, 3754832, 4693540, 6570956, 8213695, 9387080, 13141912, 16427390, 18774160, 26283824, 32854780, 65709560, 131419120]

約数ペア:

[(1, 131419120), (2, 65709560), (4, 32854780), (5, 26283824), (7, 18774160), (8, 16427390), (10, 13141912), (14, 9387080), (16, 8213695), (20, 6570956), (28, 4693540), (35, 3754832), (40, 3285478), (56, 2346770), (70, 1877416), (80, 1642739), (109, 1205680), (112, 1173385), (140, 938708), (218, 602840), (280, 469354), (436, 301420), (545, 241136), (560, 234677), (763, 172240), (872, 150710), (1090, 120568), (1526, 86120), (1744, 75355), (2153, 61040), (2180, 60284), (3052, 43060), (3815, 34448), (4306, 30520), (4360, 30142), (6104, 21530), (7630, 17224), (8612, 15260), (8720, 15071), (10765, 12208)]