87081560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 207900000

約数和(自身を除く): 120818440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 769, 1192, 1490, 1538, 2831, 2980, 3076, 3845, 5662, 5960, 6152, 7690, 11324, 14155, 14611, 15380, 22648, 28310, 29222, 30760, 56620, 58444, 73055, 113240, 114581, 116888, 146110, 229162, 292220, 458324, 572905, 584440, 916648, 1145810, 2177039, 2291620, 4354078, 4583240, 8708156, 10885195, 17416312, 21770390, 43540780, 87081560]

約数ペア:

[(1, 87081560), (2, 43540780), (4, 21770390), (5, 17416312), (8, 10885195), (10, 8708156), (19, 4583240), (20, 4354078), (38, 2291620), (40, 2177039), (76, 1145810), (95, 916648), (149, 584440), (152, 572905), (190, 458324), (298, 292220), (380, 229162), (596, 146110), (745, 116888), (760, 114581), (769, 113240), (1192, 73055), (1490, 58444), (1538, 56620), (2831, 30760), (2980, 29222), (3076, 28310), (3845, 22648), (5662, 15380), (5960, 14611), (6152, 14155), (7690, 11324)]