315169960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{401}}^2$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 826971390

約数和(自身を除く): 511801430

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 401, 490, 802, 980, 1604, 1960, 2005, 2807, 3208, 4010, 5614, 8020, 11228, 14035, 16040, 19649, 22456, 28070, 39298, 56140, 78596, 98245, 112280, 157192, 160801, 196490, 321602, 392980, 643204, 785960, 804005, 1125607, 1286408, 1608010, 2251214, 3216020, 4502428, 5628035, 6432040, 7879249, 9004856, 11256070, 15758498, 22512140, 31516996, 39396245, 45024280, 63033992, 78792490, 157584980, 315169960]

約数ペア:

[(1, 315169960), (2, 157584980), (4, 78792490), (5, 63033992), (7, 45024280), (8, 39396245), (10, 31516996), (14, 22512140), (20, 15758498), (28, 11256070), (35, 9004856), (40, 7879249), (49, 6432040), (56, 5628035), (70, 4502428), (98, 3216020), (140, 2251214), (196, 1608010), (245, 1286408), (280, 1125607), (392, 804005), (401, 785960), (490, 643204), (802, 392980), (980, 321602), (1604, 196490), (1960, 160801), (2005, 157192), (2807, 112280), (3208, 98245), (4010, 78596), (5614, 56140), (8020, 39298), (11228, 28070), (14035, 22456), (16040, 19649)]