12724360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 31622400

約数和(自身を除く): 18898040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 239, 242, 440, 478, 484, 605, 956, 968, 1195, 1210, 1331, 1912, 2390, 2420, 2629, 2662, 4780, 4840, 5258, 5324, 6655, 9560, 10516, 10648, 13145, 13310, 21032, 26290, 26620, 28919, 52580, 53240, 57838, 105160, 115676, 144595, 231352, 289190, 318109, 578380, 636218, 1156760, 1272436, 1590545, 2544872, 3181090, 6362180, 12724360]

約数ペア:

[(1, 12724360), (2, 6362180), (4, 3181090), (5, 2544872), (8, 1590545), (10, 1272436), (11, 1156760), (20, 636218), (22, 578380), (40, 318109), (44, 289190), (55, 231352), (88, 144595), (110, 115676), (121, 105160), (220, 57838), (239, 53240), (242, 52580), (440, 28919), (478, 26620), (484, 26290), (605, 21032), (956, 13310), (968, 13145), (1195, 10648), (1210, 10516), (1331, 9560), (1912, 6655), (2390, 5324), (2420, 5258), (2629, 4840), (2662, 4780)]