72157690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 153404928

約数和(自身を除く): 81247238

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 47, 55, 85, 94, 110, 170, 187, 235, 374, 470, 517, 799, 821, 935, 1034, 1598, 1642, 1870, 2585, 3995, 4105, 5170, 7990, 8210, 8789, 9031, 13957, 17578, 18062, 27914, 38587, 43945, 45155, 69785, 77174, 87890, 90310, 139570, 153527, 192935, 307054, 385870, 424457, 655979, 767635, 848914, 1311958, 1535270, 2122285, 3279895, 4244570, 6559790, 7215769, 14431538, 36078845, 72157690]

約数ペア:

[(1, 72157690), (2, 36078845), (5, 14431538), (10, 7215769), (11, 6559790), (17, 4244570), (22, 3279895), (34, 2122285), (47, 1535270), (55, 1311958), (85, 848914), (94, 767635), (110, 655979), (170, 424457), (187, 385870), (235, 307054), (374, 192935), (470, 153527), (517, 139570), (799, 90310), (821, 87890), (935, 77174), (1034, 69785), (1598, 45155), (1642, 43945), (1870, 38587), (2585, 27914), (3995, 18062), (4105, 17578), (5170, 13957), (7990, 9031), (8210, 8789)]