80953880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 214475040

約数和(自身を除く): 133521160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 103, 140, 196, 206, 245, 280, 392, 401, 412, 490, 515, 721, 802, 824, 980, 1030, 1442, 1604, 1960, 2005, 2060, 2807, 2884, 3208, 3605, 4010, 4120, 5047, 5614, 5768, 7210, 8020, 10094, 11228, 14035, 14420, 16040, 19649, 20188, 22456, 25235, 28070, 28840, 39298, 40376, 41303, 50470, 56140, 78596, 82606, 98245, 100940, 112280, 157192, 165212, 196490, 201880, 206515, 289121, 330424, 392980, 413030, 578242, 785960, 826060, 1156484, 1445605, 1652120, 2023847, 2312968, 2891210, 4047694, 5782420, 8095388, 10119235, 11564840, 16190776, 20238470, 40476940, 80953880]

約数ペア:

[(1, 80953880), (2, 40476940), (4, 20238470), (5, 16190776), (7, 11564840), (8, 10119235), (10, 8095388), (14, 5782420), (20, 4047694), (28, 2891210), (35, 2312968), (40, 2023847), (49, 1652120), (56, 1445605), (70, 1156484), (98, 826060), (103, 785960), (140, 578242), (196, 413030), (206, 392980), (245, 330424), (280, 289121), (392, 206515), (401, 201880), (412, 196490), (490, 165212), (515, 157192), (721, 112280), (802, 100940), (824, 98245), (980, 82606), (1030, 78596), (1442, 56140), (1604, 50470), (1960, 41303), (2005, 40376), (2060, 39298), (2807, 28840), (2884, 28070), (3208, 25235), (3605, 22456), (4010, 20188), (4120, 19649), (5047, 16040), (5614, 14420), (5768, 14035), (7210, 11228), (8020, 10094)]