78957560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 195350400

約数和(自身を除く): 116392840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1291, 1390, 1529, 2582, 2780, 3058, 5164, 5560, 6116, 6455, 7645, 10328, 12232, 12910, 14201, 15290, 25820, 28402, 30580, 51640, 56804, 61160, 71005, 113608, 142010, 179449, 284020, 358898, 568040, 717796, 897245, 1435592, 1794490, 1973939, 3588980, 3947878, 7177960, 7895756, 9869695, 15791512, 19739390, 39478780, 78957560]

約数ペア:

[(1, 78957560), (2, 39478780), (4, 19739390), (5, 15791512), (8, 9869695), (10, 7895756), (11, 7177960), (20, 3947878), (22, 3588980), (40, 1973939), (44, 1794490), (55, 1435592), (88, 897245), (110, 717796), (139, 568040), (220, 358898), (278, 284020), (440, 179449), (556, 142010), (695, 113608), (1112, 71005), (1291, 61160), (1390, 56804), (1529, 51640), (2582, 30580), (2780, 28402), (3058, 25820), (5164, 15290), (5560, 14201), (6116, 12910), (6455, 12232), (7645, 10328)]