1285260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 3720192

約数和(自身を除く): 2434932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 691, 930, 1382, 1860, 2073, 2764, 3455, 4146, 6910, 8292, 10365, 13820, 20730, 21421, 41460, 42842, 64263, 85684, 107105, 128526, 214210, 257052, 321315, 428420, 642630, 1285260]

約数ペア:

[(1, 1285260), (2, 642630), (3, 428420), (4, 321315), (5, 257052), (6, 214210), (10, 128526), (12, 107105), (15, 85684), (20, 64263), (30, 42842), (31, 41460), (60, 21421), (62, 20730), (93, 13820), (124, 10365), (155, 8292), (186, 6910), (310, 4146), (372, 3455), (465, 2764), (620, 2073), (691, 1860), (930, 1382)]