77871680

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6577}}^1$

素因数の和:6631

約数の個数: 56

約数和(自身を含む): 190472568

約数和(自身を除く): 112600888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 6577, 11840, 13154, 26308, 32885, 52616, 65770, 105232, 131540, 210464, 243349, 263080, 420928, 486698, 526160, 973396, 1052320, 1216745, 1946792, 2104640, 2433490, 3893584, 4866980, 7787168, 9733960, 15574336, 19467920, 38935840, 77871680]

約数ペア:

[(1, 77871680), (2, 38935840), (4, 19467920), (5, 15574336), (8, 9733960), (10, 7787168), (16, 4866980), (20, 3893584), (32, 2433490), (37, 2104640), (40, 1946792), (64, 1216745), (74, 1052320), (80, 973396), (148, 526160), (160, 486698), (185, 420928), (296, 263080), (320, 243349), (370, 210464), (592, 131540), (740, 105232), (1184, 65770), (1480, 52616), (2368, 32885), (2960, 26308), (5920, 13154), (6577, 11840)]