81188610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 201398400

約数和(自身を除く): 120209790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 149, 205, 246, 298, 410, 443, 447, 615, 745, 886, 894, 1230, 1329, 1490, 2215, 2235, 2658, 4430, 4470, 6109, 6645, 12218, 13290, 18163, 18327, 30545, 36326, 36654, 54489, 61090, 66007, 90815, 91635, 108978, 132014, 181630, 183270, 198021, 272445, 330035, 396042, 544890, 660070, 990105, 1980210, 2706287, 5412574, 8118861, 13531435, 16237722, 27062870, 40594305, 81188610]

約数ペア:

[(1, 81188610), (2, 40594305), (3, 27062870), (5, 16237722), (6, 13531435), (10, 8118861), (15, 5412574), (30, 2706287), (41, 1980210), (82, 990105), (123, 660070), (149, 544890), (205, 396042), (246, 330035), (298, 272445), (410, 198021), (443, 183270), (447, 181630), (615, 132014), (745, 108978), (886, 91635), (894, 90815), (1230, 66007), (1329, 61090), (1490, 54489), (2215, 36654), (2235, 36326), (2658, 30545), (4430, 18327), (4470, 18163), (6109, 13290), (6645, 12218)]