68295640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 108608360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 1637, 2086, 2980, 3274, 4172, 5215, 5960, 6548, 8185, 8344, 10430, 11459, 13096, 16370, 20860, 22918, 32740, 41720, 45836, 57295, 65480, 91672, 114590, 229180, 243913, 458360, 487826, 975652, 1219565, 1707391, 1951304, 2439130, 3414782, 4878260, 6829564, 8536955, 9756520, 13659128, 17073910, 34147820, 68295640]

約数ペア:

[(1, 68295640), (2, 34147820), (4, 17073910), (5, 13659128), (7, 9756520), (8, 8536955), (10, 6829564), (14, 4878260), (20, 3414782), (28, 2439130), (35, 1951304), (40, 1707391), (56, 1219565), (70, 975652), (140, 487826), (149, 458360), (280, 243913), (298, 229180), (596, 114590), (745, 91672), (1043, 65480), (1192, 57295), (1490, 45836), (1637, 41720), (2086, 32740), (2980, 22918), (3274, 20860), (4172, 16370), (5215, 13096), (5960, 11459), (6548, 10430), (8185, 8344)]