173621680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127663}}^1$

素因数の和:127693

約数の個数: 40

約数和(自身を含む): 427419072

約数和(自身を除く): 253797392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 127663, 255326, 510652, 638315, 1021304, 1276630, 2042608, 2170271, 2553260, 4340542, 5106520, 8681084, 10213040, 10851355, 17362168, 21702710, 34724336, 43405420, 86810840, 173621680]

約数ペア:

[(1, 173621680), (2, 86810840), (4, 43405420), (5, 34724336), (8, 21702710), (10, 17362168), (16, 10851355), (17, 10213040), (20, 8681084), (34, 5106520), (40, 4340542), (68, 2553260), (80, 2170271), (85, 2042608), (136, 1276630), (170, 1021304), (272, 638315), (340, 510652), (680, 255326), (1360, 127663)]