331127120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133519}}^1$

素因数の和:133563

約数の個数: 40

約数和(自身を含む): 794711040

約数和(自身を除く): 463583920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 133519, 267038, 534076, 667595, 1068152, 1335190, 2136304, 2670380, 4139089, 5340760, 8278178, 10681520, 16556356, 20695445, 33112712, 41390890, 66225424, 82781780, 165563560, 331127120]

約数ペア:

[(1, 331127120), (2, 165563560), (4, 82781780), (5, 66225424), (8, 41390890), (10, 33112712), (16, 20695445), (20, 16556356), (31, 10681520), (40, 8278178), (62, 5340760), (80, 4139089), (124, 2670380), (155, 2136304), (248, 1335190), (310, 1068152), (496, 667595), (620, 534076), (1240, 267038), (2480, 133519)]