2642981340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{557591}}^1$

素因数の和:557682

約数の個数: 48

約数和(自身を含む): 7494036480

約数和(自身を除く): 4851055140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 557591, 1115182, 1672773, 2230364, 2787955, 3345546, 5575910, 6691092, 8363865, 11151820, 16727730, 33455460, 44049689, 88099378, 132149067, 176198756, 220248445, 264298134, 440496890, 528596268, 660745335, 880993780, 1321490670, 2642981340]

約数ペア:

[(1, 2642981340), (2, 1321490670), (3, 880993780), (4, 660745335), (5, 528596268), (6, 440496890), (10, 264298134), (12, 220248445), (15, 176198756), (20, 132149067), (30, 88099378), (60, 44049689), (79, 33455460), (158, 16727730), (237, 11151820), (316, 8363865), (395, 6691092), (474, 5575910), (790, 3345546), (948, 2787955), (1185, 2230364), (1580, 1672773), (2370, 1115182), (4740, 557591)]