79152680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 193026240

約数和(自身を除く): 113873560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2707, 2924, 3655, 5414, 5848, 7310, 10828, 13535, 14620, 21656, 27070, 29240, 46019, 54140, 92038, 108280, 116401, 184076, 230095, 232802, 368152, 460190, 465604, 582005, 920380, 931208, 1164010, 1840760, 1978817, 2328020, 3957634, 4656040, 7915268, 9894085, 15830536, 19788170, 39576340, 79152680]

約数ペア:

[(1, 79152680), (2, 39576340), (4, 19788170), (5, 15830536), (8, 9894085), (10, 7915268), (17, 4656040), (20, 3957634), (34, 2328020), (40, 1978817), (43, 1840760), (68, 1164010), (85, 931208), (86, 920380), (136, 582005), (170, 465604), (172, 460190), (215, 368152), (340, 232802), (344, 230095), (430, 184076), (680, 116401), (731, 108280), (860, 92038), (1462, 54140), (1720, 46019), (2707, 29240), (2924, 27070), (3655, 21656), (5414, 14620), (5848, 13535), (7310, 10828)]