80516940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191707}}^1$

素因数の和:191726

約数の個数: 48

約数和(自身を含む): 257655552

約数和(自身を除く): 177138612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191707, 383414, 575121, 766828, 958535, 1150242, 1341949, 1917070, 2300484, 2683898, 2875605, 3834140, 4025847, 5367796, 5751210, 6709745, 8051694, 11502420, 13419490, 16103388, 20129235, 26838980, 40258470, 80516940]

約数ペア:

[(1, 80516940), (2, 40258470), (3, 26838980), (4, 20129235), (5, 16103388), (6, 13419490), (7, 11502420), (10, 8051694), (12, 6709745), (14, 5751210), (15, 5367796), (20, 4025847), (21, 3834140), (28, 2875605), (30, 2683898), (35, 2300484), (42, 1917070), (60, 1341949), (70, 1150242), (84, 958535), (105, 766828), (140, 575121), (210, 383414), (420, 191707)]