71761240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^2\times {\mathrm{151}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 164036880

約数和(自身を除く): 92275640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 151, 218, 302, 436, 545, 604, 755, 872, 1090, 1208, 1510, 2180, 3020, 4360, 6040, 11881, 16459, 23762, 32918, 47524, 59405, 65836, 82295, 95048, 118810, 131672, 164590, 237620, 329180, 475240, 658360, 1794031, 3588062, 7176124, 8970155, 14352248, 17940310, 35880620, 71761240]

約数ペア:

[(1, 71761240), (2, 35880620), (4, 17940310), (5, 14352248), (8, 8970155), (10, 7176124), (20, 3588062), (40, 1794031), (109, 658360), (151, 475240), (218, 329180), (302, 237620), (436, 164590), (545, 131672), (604, 118810), (755, 95048), (872, 82295), (1090, 65836), (1208, 59405), (1510, 47524), (2180, 32918), (3020, 23762), (4360, 16459), (6040, 11881)]