157499840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15877}}^1$

素因数の和:15925

約数の個数: 56

約数和(自身を含む): 387169152

約数和(自身を除く): 229669312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 15877, 31754, 63508, 79385, 127016, 158770, 254032, 317540, 492187, 508064, 635080, 984374, 1016128, 1270160, 1968748, 2460935, 2540320, 3937496, 4921870, 5080640, 7874992, 9843740, 15749984, 19687480, 31499968, 39374960, 78749920, 157499840]

約数ペア:

[(1, 157499840), (2, 78749920), (4, 39374960), (5, 31499968), (8, 19687480), (10, 15749984), (16, 9843740), (20, 7874992), (31, 5080640), (32, 4921870), (40, 3937496), (62, 2540320), (64, 2460935), (80, 1968748), (124, 1270160), (155, 1016128), (160, 984374), (248, 635080), (310, 508064), (320, 492187), (496, 317540), (620, 254032), (992, 158770), (1240, 127016), (1984, 79385), (2480, 63508), (4960, 31754), (9920, 15877)]