61957480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6271}}^1$

素因数の和:6314

約数の個数: 64

約数和(自身を含む): 158054400

約数和(自身を除く): 96096920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6271, 9880, 12542, 25084, 31355, 50168, 62710, 81523, 119149, 125420, 163046, 238298, 250840, 326092, 407615, 476596, 595745, 652184, 815230, 953192, 1191490, 1548937, 1630460, 2382980, 3097874, 3260920, 4765960, 6195748, 7744685, 12391496, 15489370, 30978740, 61957480]

約数ペア:

[(1, 61957480), (2, 30978740), (4, 15489370), (5, 12391496), (8, 7744685), (10, 6195748), (13, 4765960), (19, 3260920), (20, 3097874), (26, 2382980), (38, 1630460), (40, 1548937), (52, 1191490), (65, 953192), (76, 815230), (95, 652184), (104, 595745), (130, 476596), (152, 407615), (190, 326092), (247, 250840), (260, 238298), (380, 163046), (494, 125420), (520, 119149), (760, 81523), (988, 62710), (1235, 50168), (1976, 31355), (2470, 25084), (4940, 12542), (6271, 9880)]