64711780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5569}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 157207680

約数和(自身を除く): 92495900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5569, 5810, 11138, 11620, 22276, 27845, 38983, 55690, 77966, 111380, 155932, 194915, 389830, 462227, 779660, 924454, 1848908, 2311135, 3235589, 4622270, 6471178, 9244540, 12942356, 16177945, 32355890, 64711780]

約数ペア:

[(1, 64711780), (2, 32355890), (4, 16177945), (5, 12942356), (7, 9244540), (10, 6471178), (14, 4622270), (20, 3235589), (28, 2311135), (35, 1848908), (70, 924454), (83, 779660), (140, 462227), (166, 389830), (332, 194915), (415, 155932), (581, 111380), (830, 77966), (1162, 55690), (1660, 38983), (2324, 27845), (2905, 22276), (5569, 11620), (5810, 11138)]