206551760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2332

約数の個数: 80

約数和(自身を含む): 509348352

約数和(自身を除く): 302796592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2251, 2294, 2480, 2960, 4502, 4588, 5735, 9004, 9176, 11255, 11470, 18008, 18352, 22510, 22940, 36016, 45020, 45880, 69781, 83287, 90040, 91760, 139562, 166574, 180080, 279124, 333148, 348905, 416435, 558248, 666296, 697810, 832870, 1116496, 1332592, 1395620, 1665740, 2581897, 2791240, 3331480, 5163794, 5582480, 6662960, 10327588, 12909485, 20655176, 25818970, 41310352, 51637940, 103275880, 206551760]

約数ペア:

[(1, 206551760), (2, 103275880), (4, 51637940), (5, 41310352), (8, 25818970), (10, 20655176), (16, 12909485), (20, 10327588), (31, 6662960), (37, 5582480), (40, 5163794), (62, 3331480), (74, 2791240), (80, 2581897), (124, 1665740), (148, 1395620), (155, 1332592), (185, 1116496), (248, 832870), (296, 697810), (310, 666296), (370, 558248), (496, 416435), (592, 348905), (620, 333148), (740, 279124), (1147, 180080), (1240, 166574), (1480, 139562), (2251, 91760), (2294, 90040), (2480, 83287), (2960, 69781), (4502, 45880), (4588, 45020), (5735, 36016), (9004, 22940), (9176, 22510), (11255, 18352), (11470, 18008)]