159307760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64237}}^1$

素因数の和:64281

約数の個数: 40

約数和(自身を含む): 382344576

約数和(自身を除く): 223036816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 64237, 128474, 256948, 321185, 513896, 642370, 1027792, 1284740, 1991347, 2569480, 3982694, 5138960, 7965388, 9956735, 15930776, 19913470, 31861552, 39826940, 79653880, 159307760]

約数ペア:

[(1, 159307760), (2, 79653880), (4, 39826940), (5, 31861552), (8, 19913470), (10, 15930776), (16, 9956735), (20, 7965388), (31, 5138960), (40, 3982694), (62, 2569480), (80, 1991347), (124, 1284740), (155, 1027792), (248, 642370), (310, 513896), (496, 321185), (620, 256948), (1240, 128474), (2480, 64237)]