81686570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 95606230

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 113, 115, 161, 226, 230, 322, 449, 565, 791, 805, 898, 1130, 1582, 1610, 2245, 2599, 3143, 3955, 4490, 5198, 6286, 7910, 10327, 12995, 15715, 18193, 20654, 25990, 31430, 36386, 50737, 51635, 72289, 90965, 101474, 103270, 144578, 181930, 253685, 355159, 361445, 507370, 710318, 722890, 1166951, 1775795, 2333902, 3551590, 5834755, 8168657, 11669510, 16337314, 40843285, 81686570]

約数ペア:

[(1, 81686570), (2, 40843285), (5, 16337314), (7, 11669510), (10, 8168657), (14, 5834755), (23, 3551590), (35, 2333902), (46, 1775795), (70, 1166951), (113, 722890), (115, 710318), (161, 507370), (226, 361445), (230, 355159), (322, 253685), (449, 181930), (565, 144578), (791, 103270), (805, 101474), (898, 90965), (1130, 72289), (1582, 51635), (1610, 50737), (2245, 36386), (2599, 31430), (3143, 25990), (3955, 20654), (4490, 18193), (5198, 15715), (6286, 12995), (7910, 10327)]