31359560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 75582720

約数和(自身を除く): 44223160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 431, 535, 680, 856, 862, 1070, 1724, 1819, 2140, 2155, 3448, 3638, 4280, 4310, 7276, 7327, 8620, 9095, 14552, 14654, 17240, 18190, 29308, 36380, 36635, 46117, 58616, 72760, 73270, 92234, 146540, 184468, 230585, 293080, 368936, 461170, 783989, 922340, 1567978, 1844680, 3135956, 3919945, 6271912, 7839890, 15679780, 31359560]

約数ペア:

[(1, 31359560), (2, 15679780), (4, 7839890), (5, 6271912), (8, 3919945), (10, 3135956), (17, 1844680), (20, 1567978), (34, 922340), (40, 783989), (68, 461170), (85, 368936), (107, 293080), (136, 230585), (170, 184468), (214, 146540), (340, 92234), (428, 73270), (431, 72760), (535, 58616), (680, 46117), (856, 36635), (862, 36380), (1070, 29308), (1724, 18190), (1819, 17240), (2140, 14654), (2155, 14552), (3448, 9095), (3638, 8620), (4280, 7327), (4310, 7276)]