161869260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385403}}^1$

素因数の和:385422

約数の個数: 48

約数和(自身を含む): 517982976

約数和(自身を除く): 356113716

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, 385403, 770806, 1156209, 1541612, 1927015, 2312418, 2697821, 3854030, 4624836, 5395642, 5781045, 7708060, 8093463, 10791284, 11562090, 13489105, 16186926, 23124180, 26978210, 32373852, 40467315, 53956420, 80934630, 161869260]

約数ペア:

[(1, 161869260), (2, 80934630), (3, 53956420), (4, 40467315), (5, 32373852), (6, 26978210), (7, 23124180), (10, 16186926), (12, 13489105), (14, 11562090), (15, 10791284), (20, 8093463), (21, 7708060), (28, 5781045), (30, 5395642), (35, 4624836), (42, 3854030), (60, 2697821), (70, 2312418), (84, 1927015), (105, 1541612), (140, 1156209), (210, 770806), (420, 385403)]