18065560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 26413160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 857, 1054, 1240, 1714, 2108, 2635, 3428, 4216, 4285, 5270, 6856, 8570, 10540, 14569, 17140, 21080, 26567, 29138, 34280, 53134, 58276, 72845, 106268, 116552, 132835, 145690, 212536, 265670, 291380, 451639, 531340, 582760, 903278, 1062680, 1806556, 2258195, 3613112, 4516390, 9032780, 18065560]

約数ペア:

[(1, 18065560), (2, 9032780), (4, 4516390), (5, 3613112), (8, 2258195), (10, 1806556), (17, 1062680), (20, 903278), (31, 582760), (34, 531340), (40, 451639), (62, 291380), (68, 265670), (85, 212536), (124, 145690), (136, 132835), (155, 116552), (170, 106268), (248, 72845), (310, 58276), (340, 53134), (527, 34280), (620, 29138), (680, 26567), (857, 21080), (1054, 17140), (1240, 14569), (1714, 10540), (2108, 8570), (2635, 6856), (3428, 5270), (4216, 4285)]