1571920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{401}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 4262004

約数和(自身を除く): 2690084

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 401, 490, 560, 784, 802, 980, 1604, 1960, 2005, 2807, 3208, 3920, 4010, 5614, 6416, 8020, 11228, 14035, 16040, 19649, 22456, 28070, 32080, 39298, 44912, 56140, 78596, 98245, 112280, 157192, 196490, 224560, 314384, 392980, 785960, 1571920]

約数ペア:

[(1, 1571920), (2, 785960), (4, 392980), (5, 314384), (7, 224560), (8, 196490), (10, 157192), (14, 112280), (16, 98245), (20, 78596), (28, 56140), (35, 44912), (40, 39298), (49, 32080), (56, 28070), (70, 22456), (80, 19649), (98, 16040), (112, 14035), (140, 11228), (196, 8020), (245, 6416), (280, 5614), (392, 4010), (401, 3920), (490, 3208), (560, 2807), (784, 2005), (802, 1960), (980, 1604)]