181445080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1637}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 435183840

約数和(自身を除く): 253738760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1304, 1630, 1637, 2771, 3260, 3274, 5542, 6520, 6548, 8185, 11084, 13096, 13855, 16370, 22168, 27710, 27829, 32740, 55420, 55658, 65480, 110840, 111316, 139145, 222632, 266831, 278290, 533662, 556580, 1067324, 1113160, 1334155, 2134648, 2668310, 4536127, 5336620, 9072254, 10673240, 18144508, 22680635, 36289016, 45361270, 90722540, 181445080]

約数ペア:

[(1, 181445080), (2, 90722540), (4, 45361270), (5, 36289016), (8, 22680635), (10, 18144508), (17, 10673240), (20, 9072254), (34, 5336620), (40, 4536127), (68, 2668310), (85, 2134648), (136, 1334155), (163, 1113160), (170, 1067324), (326, 556580), (340, 533662), (652, 278290), (680, 266831), (815, 222632), (1304, 139145), (1630, 111316), (1637, 110840), (2771, 65480), (3260, 55658), (3274, 55420), (5542, 32740), (6520, 27829), (6548, 27710), (8185, 22168), (11084, 16370), (13096, 13855)]