163089640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11887}}^1$

素因数の和:11919

約数の個数: 64

約数和(自身を含む): 427968000

約数和(自身を除く): 264878360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 11887, 13720, 23774, 47548, 59435, 83209, 95096, 118870, 166418, 237740, 332836, 416045, 475480, 582463, 665672, 832090, 1164926, 1664180, 2329852, 2912315, 3328360, 4077241, 4659704, 5824630, 8154482, 11649260, 16308964, 20386205, 23298520, 32617928, 40772410, 81544820, 163089640]

約数ペア:

[(1, 163089640), (2, 81544820), (4, 40772410), (5, 32617928), (7, 23298520), (8, 20386205), (10, 16308964), (14, 11649260), (20, 8154482), (28, 5824630), (35, 4659704), (40, 4077241), (49, 3328360), (56, 2912315), (70, 2329852), (98, 1664180), (140, 1164926), (196, 832090), (245, 665672), (280, 582463), (343, 475480), (392, 416045), (490, 332836), (686, 237740), (980, 166418), (1372, 118870), (1715, 95096), (1960, 83209), (2744, 59435), (3430, 47548), (6860, 23774), (11887, 13720)]