8642920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 22861440

約数和(自身を除く): 14218520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 1511, 2860, 3022, 5720, 6044, 7555, 12088, 15110, 16621, 19643, 30220, 33242, 39286, 60440, 66484, 78572, 83105, 98215, 132968, 157144, 166210, 196430, 216073, 332420, 392860, 432146, 664840, 785720, 864292, 1080365, 1728584, 2160730, 4321460, 8642920]

約数ペア:

[(1, 8642920), (2, 4321460), (4, 2160730), (5, 1728584), (8, 1080365), (10, 864292), (11, 785720), (13, 664840), (20, 432146), (22, 392860), (26, 332420), (40, 216073), (44, 196430), (52, 166210), (55, 157144), (65, 132968), (88, 98215), (104, 83105), (110, 78572), (130, 66484), (143, 60440), (220, 39286), (260, 33242), (286, 30220), (440, 19643), (520, 16621), (572, 15110), (715, 12088), (1144, 7555), (1430, 6044), (1511, 5720), (2860, 3022)]