81376440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11117}}^1$

素因数の和:11192

約数の個数: 64

約数和(自身を含む): 248153760

約数和(自身を除く): 166777320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 11117, 22234, 33351, 44468, 55585, 66702, 88936, 111170, 133404, 166755, 222340, 266808, 333510, 444680, 667020, 678137, 1334040, 1356274, 2034411, 2712548, 3390685, 4068822, 5425096, 6781370, 8137644, 10172055, 13562740, 16275288, 20344110, 27125480, 40688220, 81376440]

約数ペア:

[(1, 81376440), (2, 40688220), (3, 27125480), (4, 20344110), (5, 16275288), (6, 13562740), (8, 10172055), (10, 8137644), (12, 6781370), (15, 5425096), (20, 4068822), (24, 3390685), (30, 2712548), (40, 2034411), (60, 1356274), (61, 1334040), (120, 678137), (122, 667020), (183, 444680), (244, 333510), (305, 266808), (366, 222340), (488, 166755), (610, 133404), (732, 111170), (915, 88936), (1220, 66702), (1464, 55585), (1830, 44468), (2440, 33351), (3660, 22234), (7320, 11117)]