2921630120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{7853}}^1$

素因数の和:8066

約数の個数: 64

約数和(自身を含む): 6717997440

約数和(自身を除く): 3796367320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 262, 284, 355, 524, 568, 655, 710, 1048, 1310, 1420, 2620, 2840, 5240, 7853, 9301, 15706, 18602, 31412, 37204, 39265, 46505, 62824, 74408, 78530, 93010, 157060, 186020, 314120, 372040, 557563, 1028743, 1115126, 2057486, 2230252, 2787815, 4114972, 4460504, 5143715, 5575630, 8229944, 10287430, 11151260, 20574860, 22302520, 41149720, 73040753, 146081506, 292163012, 365203765, 584326024, 730407530, 1460815060, 2921630120]

約数ペア:

[(1, 2921630120), (2, 1460815060), (4, 730407530), (5, 584326024), (8, 365203765), (10, 292163012), (20, 146081506), (40, 73040753), (71, 41149720), (131, 22302520), (142, 20574860), (262, 11151260), (284, 10287430), (355, 8229944), (524, 5575630), (568, 5143715), (655, 4460504), (710, 4114972), (1048, 2787815), (1310, 2230252), (1420, 2057486), (2620, 1115126), (2840, 1028743), (5240, 557563), (7853, 372040), (9301, 314120), (15706, 186020), (18602, 157060), (31412, 93010), (37204, 78530), (39265, 74408), (46505, 62824)]