131971960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 311040000

約数和(自身を除く): 179068040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 1499, 2201, 2840, 2998, 4402, 5996, 7495, 8804, 11005, 11992, 14990, 17608, 22010, 29980, 44020, 46469, 59960, 88040, 92938, 106429, 185876, 212858, 232345, 371752, 425716, 464690, 532145, 851432, 929380, 1064290, 1858760, 2128580, 3299299, 4257160, 6598598, 13197196, 16496495, 26394392, 32992990, 65985980, 131971960]

約数ペア:

[(1, 131971960), (2, 65985980), (4, 32992990), (5, 26394392), (8, 16496495), (10, 13197196), (20, 6598598), (31, 4257160), (40, 3299299), (62, 2128580), (71, 1858760), (124, 1064290), (142, 929380), (155, 851432), (248, 532145), (284, 464690), (310, 425716), (355, 371752), (568, 232345), (620, 212858), (710, 185876), (1240, 106429), (1420, 92938), (1499, 88040), (2201, 59960), (2840, 46469), (2998, 44020), (4402, 29980), (5996, 22010), (7495, 17608), (8804, 14990), (11005, 11992)]