91815920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 246079488

約数和(自身を除く): 154263568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1291, 1778, 2032, 2540, 2582, 3556, 4445, 5080, 5164, 6455, 7112, 8890, 9037, 10160, 10328, 12910, 14224, 17780, 18074, 20656, 25820, 35560, 36148, 45185, 51640, 71120, 72296, 90370, 103280, 144592, 163957, 180740, 327914, 361480, 655828, 722960, 819785, 1147699, 1311656, 1639570, 2295398, 2623312, 3279140, 4590796, 5738495, 6558280, 9181592, 11476990, 13116560, 18363184, 22953980, 45907960, 91815920]

約数ペア:

[(1, 91815920), (2, 45907960), (4, 22953980), (5, 18363184), (7, 13116560), (8, 11476990), (10, 9181592), (14, 6558280), (16, 5738495), (20, 4590796), (28, 3279140), (35, 2623312), (40, 2295398), (56, 1639570), (70, 1311656), (80, 1147699), (112, 819785), (127, 722960), (140, 655828), (254, 361480), (280, 327914), (508, 180740), (560, 163957), (635, 144592), (889, 103280), (1016, 90370), (1270, 72296), (1291, 71120), (1778, 51640), (2032, 45185), (2540, 36148), (2582, 35560), (3556, 25820), (4445, 20656), (5080, 18074), (5164, 17780), (6455, 14224), (7112, 12910), (8890, 10328), (9037, 10160)]