268840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 725760

約数和(自身を除く): 456920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 88, 94, 104, 110, 130, 143, 188, 220, 235, 260, 286, 376, 440, 470, 517, 520, 572, 611, 715, 940, 1034, 1144, 1222, 1430, 1880, 2068, 2444, 2585, 2860, 3055, 4136, 4888, 5170, 5720, 6110, 6721, 10340, 12220, 13442, 20680, 24440, 26884, 33605, 53768, 67210, 134420, 268840]

約数ペア:

[(1, 268840), (2, 134420), (4, 67210), (5, 53768), (8, 33605), (10, 26884), (11, 24440), (13, 20680), (20, 13442), (22, 12220), (26, 10340), (40, 6721), (44, 6110), (47, 5720), (52, 5170), (55, 4888), (65, 4136), (88, 3055), (94, 2860), (104, 2585), (110, 2444), (130, 2068), (143, 1880), (188, 1430), (220, 1222), (235, 1144), (260, 1034), (286, 940), (376, 715), (440, 611), (470, 572), (517, 520)]