1440301540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{136651}}^1$

素因数の和:136708

約数の個数: 48

約数和(自身を含む): 3305885184

約数和(自身を除く): 1865583644

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 136651, 273302, 546604, 683255, 1366510, 2323067, 2733020, 4236181, 4646134, 8472362, 9292268, 11615335, 16944724, 21180905, 23230670, 42361810, 46461340, 72015077, 84723620, 144030154, 288060308, 360075385, 720150770, 1440301540]

約数ペア:

[(1, 1440301540), (2, 720150770), (4, 360075385), (5, 288060308), (10, 144030154), (17, 84723620), (20, 72015077), (31, 46461340), (34, 42361810), (62, 23230670), (68, 21180905), (85, 16944724), (124, 11615335), (155, 9292268), (170, 8472362), (310, 4646134), (340, 4236181), (527, 2733020), (620, 2323067), (1054, 1366510), (2108, 683255), (2635, 546604), (5270, 273302), (10540, 136651)]