78920940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187907}}^1$

素因数の和:187926

約数の個数: 48

約数和(自身を含む): 252548352

約数和(自身を除く): 173627412

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, 187907, 375814, 563721, 751628, 939535, 1127442, 1315349, 1879070, 2254884, 2630698, 2818605, 3758140, 3946047, 5261396, 5637210, 6576745, 7892094, 11274420, 13153490, 15784188, 19730235, 26306980, 39460470, 78920940]

約数ペア:

[(1, 78920940), (2, 39460470), (3, 26306980), (4, 19730235), (5, 15784188), (6, 13153490), (7, 11274420), (10, 7892094), (12, 6576745), (14, 5637210), (15, 5261396), (20, 3946047), (21, 3758140), (28, 2818605), (30, 2630698), (35, 2254884), (42, 1879070), (60, 1315349), (70, 1127442), (84, 939535), (105, 751628), (140, 563721), (210, 375814), (420, 187907)]