68947120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 178702848

約数和(自身を除く): 109755728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1667, 1880, 2068, 2585, 3334, 3760, 4136, 5170, 6668, 8272, 8335, 10340, 13336, 16670, 18337, 20680, 26672, 33340, 36674, 41360, 66680, 73348, 78349, 91685, 133360, 146696, 156698, 183370, 293392, 313396, 366740, 391745, 626792, 733480, 783490, 861839, 1253584, 1466960, 1566980, 1723678, 3133960, 3447356, 4309195, 6267920, 6894712, 8618390, 13789424, 17236780, 34473560, 68947120]

約数ペア:

[(1, 68947120), (2, 34473560), (4, 17236780), (5, 13789424), (8, 8618390), (10, 6894712), (11, 6267920), (16, 4309195), (20, 3447356), (22, 3133960), (40, 1723678), (44, 1566980), (47, 1466960), (55, 1253584), (80, 861839), (88, 783490), (94, 733480), (110, 626792), (176, 391745), (188, 366740), (220, 313396), (235, 293392), (376, 183370), (440, 156698), (470, 146696), (517, 133360), (752, 91685), (880, 78349), (940, 73348), (1034, 66680), (1667, 41360), (1880, 36674), (2068, 33340), (2585, 26672), (3334, 20680), (3760, 18337), (4136, 16670), (5170, 13336), (6668, 10340), (8272, 8335)]