7401680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 20248704

約数和(自身を除く): 12847024

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 647, 715, 880, 1040, 1144, 1294, 1430, 2288, 2588, 2860, 3235, 5176, 5720, 6470, 7117, 8411, 10352, 11440, 12940, 14234, 16822, 25880, 28468, 33644, 35585, 42055, 51760, 56936, 67288, 71170, 84110, 92521, 113872, 134576, 142340, 168220, 185042, 284680, 336440, 370084, 462605, 569360, 672880, 740168, 925210, 1480336, 1850420, 3700840, 7401680]

約数ペア:

[(1, 7401680), (2, 3700840), (4, 1850420), (5, 1480336), (8, 925210), (10, 740168), (11, 672880), (13, 569360), (16, 462605), (20, 370084), (22, 336440), (26, 284680), (40, 185042), (44, 168220), (52, 142340), (55, 134576), (65, 113872), (80, 92521), (88, 84110), (104, 71170), (110, 67288), (130, 56936), (143, 51760), (176, 42055), (208, 35585), (220, 33644), (260, 28468), (286, 25880), (440, 16822), (520, 14234), (572, 12940), (647, 11440), (715, 10352), (880, 8411), (1040, 7117), (1144, 6470), (1294, 5720), (1430, 5176), (2288, 3235), (2588, 2860)]