12180750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 30888000

約数和(自身を除く): 18707250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 125, 149, 150, 218, 250, 298, 327, 375, 447, 545, 654, 745, 750, 894, 1090, 1490, 1635, 2235, 2725, 3270, 3725, 4470, 5450, 7450, 8175, 11175, 13625, 16241, 16350, 18625, 22350, 27250, 32482, 37250, 40875, 48723, 55875, 81205, 81750, 97446, 111750, 162410, 243615, 406025, 487230, 812050, 1218075, 2030125, 2436150, 4060250, 6090375, 12180750]

約数ペア:

[(1, 12180750), (2, 6090375), (3, 4060250), (5, 2436150), (6, 2030125), (10, 1218075), (15, 812050), (25, 487230), (30, 406025), (50, 243615), (75, 162410), (109, 111750), (125, 97446), (149, 81750), (150, 81205), (218, 55875), (250, 48723), (298, 40875), (327, 37250), (375, 32482), (447, 27250), (545, 22350), (654, 18625), (745, 16350), (750, 16241), (894, 13625), (1090, 11175), (1490, 8175), (1635, 7450), (2235, 5450), (2725, 4470), (3270, 3725)]