13040760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 39520800

約数和(自身を除く): 26480040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 997, 1090, 1308, 1635, 1994, 2180, 2616, 2991, 3270, 3988, 4360, 4985, 5982, 6540, 7976, 9970, 11964, 13080, 14955, 19940, 23928, 29910, 39880, 59820, 108673, 119640, 217346, 326019, 434692, 543365, 652038, 869384, 1086730, 1304076, 1630095, 2173460, 2608152, 3260190, 4346920, 6520380, 13040760]

約数ペア:

[(1, 13040760), (2, 6520380), (3, 4346920), (4, 3260190), (5, 2608152), (6, 2173460), (8, 1630095), (10, 1304076), (12, 1086730), (15, 869384), (20, 652038), (24, 543365), (30, 434692), (40, 326019), (60, 217346), (109, 119640), (120, 108673), (218, 59820), (327, 39880), (436, 29910), (545, 23928), (654, 19940), (872, 14955), (997, 13080), (1090, 11964), (1308, 9970), (1635, 7976), (1994, 6540), (2180, 5982), (2616, 4985), (2991, 4360), (3270, 3988)]