68861780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3191}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 157659264

約数和(自身を除く): 88797484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 3191, 4316, 5395, 6382, 10790, 12764, 15955, 21580, 31910, 41483, 63820, 82966, 165932, 207415, 264853, 414830, 529706, 829660, 1059412, 1324265, 2648530, 3443089, 5297060, 6886178, 13772356, 17215445, 34430890, 68861780]

約数ペア:

[(1, 68861780), (2, 34430890), (4, 17215445), (5, 13772356), (10, 6886178), (13, 5297060), (20, 3443089), (26, 2648530), (52, 1324265), (65, 1059412), (83, 829660), (130, 529706), (166, 414830), (260, 264853), (332, 207415), (415, 165932), (830, 82966), (1079, 63820), (1660, 41483), (2158, 31910), (3191, 21580), (4316, 15955), (5395, 12764), (6382, 10790)]