128613520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1592

約数の個数: 80

約数和(自身を含む): 344085120

約数和(自身を除く): 215471600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1409, 1630, 2282, 2608, 2818, 3260, 4564, 5636, 5705, 6520, 7045, 9128, 9863, 11272, 11410, 13040, 14090, 18256, 19726, 22544, 22820, 28180, 39452, 45640, 49315, 56360, 78904, 91280, 98630, 112720, 157808, 197260, 229667, 394520, 459334, 789040, 918668, 1148335, 1607669, 1837336, 2296670, 3215338, 3674672, 4593340, 6430676, 8038345, 9186680, 12861352, 16076690, 18373360, 25722704, 32153380, 64306760, 128613520]

約数ペア:

[(1, 128613520), (2, 64306760), (4, 32153380), (5, 25722704), (7, 18373360), (8, 16076690), (10, 12861352), (14, 9186680), (16, 8038345), (20, 6430676), (28, 4593340), (35, 3674672), (40, 3215338), (56, 2296670), (70, 1837336), (80, 1607669), (112, 1148335), (140, 918668), (163, 789040), (280, 459334), (326, 394520), (560, 229667), (652, 197260), (815, 157808), (1141, 112720), (1304, 98630), (1409, 91280), (1630, 78904), (2282, 56360), (2608, 49315), (2818, 45640), (3260, 39452), (4564, 28180), (5636, 22820), (5705, 22544), (6520, 19726), (7045, 18256), (9128, 14090), (9863, 13040), (11272, 11410)]