64552120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 154144800

約数和(自身を除く): 89592680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 541, 628, 760, 785, 1082, 1256, 1570, 2164, 2705, 2983, 3140, 4328, 5410, 5966, 6280, 10279, 10820, 11932, 14915, 20558, 21640, 23864, 29830, 41116, 51395, 59660, 82232, 84937, 102790, 119320, 169874, 205580, 339748, 411160, 424685, 679496, 849370, 1613803, 1698740, 3227606, 3397480, 6455212, 8069015, 12910424, 16138030, 32276060, 64552120]

約数ペア:

[(1, 64552120), (2, 32276060), (4, 16138030), (5, 12910424), (8, 8069015), (10, 6455212), (19, 3397480), (20, 3227606), (38, 1698740), (40, 1613803), (76, 849370), (95, 679496), (152, 424685), (157, 411160), (190, 339748), (314, 205580), (380, 169874), (541, 119320), (628, 102790), (760, 84937), (785, 82232), (1082, 59660), (1256, 51395), (1570, 41116), (2164, 29830), (2705, 23864), (2983, 21640), (3140, 20558), (4328, 14915), (5410, 11932), (5966, 10820), (6280, 10279)]