80777180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 193052160

約数和(自身を除く): 112274980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1151, 1210, 1276, 1595, 2302, 2420, 3190, 3509, 4604, 5755, 6380, 7018, 11510, 12661, 14036, 17545, 23020, 25322, 33379, 35090, 50644, 63305, 66758, 70180, 126610, 133516, 139271, 166895, 253220, 278542, 333790, 367169, 557084, 667580, 696355, 734338, 1392710, 1468676, 1835845, 2785420, 3671690, 4038859, 7343380, 8077718, 16155436, 20194295, 40388590, 80777180]

約数ペア:

[(1, 80777180), (2, 40388590), (4, 20194295), (5, 16155436), (10, 8077718), (11, 7343380), (20, 4038859), (22, 3671690), (29, 2785420), (44, 1835845), (55, 1468676), (58, 1392710), (110, 734338), (116, 696355), (121, 667580), (145, 557084), (220, 367169), (242, 333790), (290, 278542), (319, 253220), (484, 166895), (580, 139271), (605, 133516), (638, 126610), (1151, 70180), (1210, 66758), (1276, 63305), (1595, 50644), (2302, 35090), (2420, 33379), (3190, 25322), (3509, 23020), (4604, 17545), (5755, 14036), (6380, 12661), (7018, 11510)]