90577960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 224078400

約数和(自身を除く): 133500440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1481, 1529, 2780, 2962, 3058, 5560, 5924, 6116, 7405, 7645, 11848, 12232, 14810, 15290, 16291, 29620, 30580, 32582, 59240, 61160, 65164, 81455, 130328, 162910, 205859, 325820, 411718, 651640, 823436, 1029295, 1646872, 2058590, 2264449, 4117180, 4528898, 8234360, 9057796, 11322245, 18115592, 22644490, 45288980, 90577960]

約数ペア:

[(1, 90577960), (2, 45288980), (4, 22644490), (5, 18115592), (8, 11322245), (10, 9057796), (11, 8234360), (20, 4528898), (22, 4117180), (40, 2264449), (44, 2058590), (55, 1646872), (88, 1029295), (110, 823436), (139, 651640), (220, 411718), (278, 325820), (440, 205859), (556, 162910), (695, 130328), (1112, 81455), (1390, 65164), (1481, 61160), (1529, 59240), (2780, 32582), (2962, 30580), (3058, 29620), (5560, 16291), (5924, 15290), (6116, 14810), (7405, 12232), (7645, 11848)]