61796780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 133249536

約数和(自身を除く): 71452756

約数列:

[1, 2, 4, 5, 10, 20, 67, 107, 134, 214, 268, 335, 428, 431, 535, 670, 862, 1070, 1340, 1724, 2140, 2155, 4310, 7169, 8620, 14338, 28676, 28877, 35845, 46117, 57754, 71690, 92234, 115508, 143380, 144385, 184468, 230585, 288770, 461170, 577540, 922340, 3089839, 6179678, 12359356, 15449195, 30898390, 61796780]

約数ペア:

[(1, 61796780), (2, 30898390), (4, 15449195), (5, 12359356), (10, 6179678), (20, 3089839), (67, 922340), (107, 577540), (134, 461170), (214, 288770), (268, 230585), (335, 184468), (428, 144385), (431, 143380), (535, 115508), (670, 92234), (862, 71690), (1070, 57754), (1340, 46117), (1724, 35845), (2140, 28877), (2155, 28676), (4310, 14338), (7169, 8620)]