1246858720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{47809}}^1$

素因数の和:47987

約数の個数: 48

約数和(自身を含む): 2963837520

約数和(自身を除く): 1716978800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 47809, 95618, 191236, 239045, 382472, 478090, 764944, 956180, 1529888, 1912360, 3824720, 7649440, 7792867, 15585734, 31171468, 38964335, 62342936, 77928670, 124685872, 155857340, 249371744, 311714680, 623429360, 1246858720]

約数ペア:

[(1, 1246858720), (2, 623429360), (4, 311714680), (5, 249371744), (8, 155857340), (10, 124685872), (16, 77928670), (20, 62342936), (32, 38964335), (40, 31171468), (80, 15585734), (160, 7792867), (163, 7649440), (326, 3824720), (652, 1912360), (815, 1529888), (1304, 956180), (1630, 764944), (2608, 478090), (3260, 382472), (5216, 239045), (6520, 191236), (13040, 95618), (26080, 47809)]