12855870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1817

約数の個数: 48

約数和(自身を含む): 33847632

約数和(自身を除く): 20991762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 1721, 2490, 3442, 3735, 5163, 7470, 8605, 10326, 15489, 17210, 25815, 30978, 51630, 77445, 142843, 154890, 285686, 428529, 714215, 857058, 1285587, 1428430, 2142645, 2571174, 4285290, 6427935, 12855870]

約数ペア:

[(1, 12855870), (2, 6427935), (3, 4285290), (5, 2571174), (6, 2142645), (9, 1428430), (10, 1285587), (15, 857058), (18, 714215), (30, 428529), (45, 285686), (83, 154890), (90, 142843), (166, 77445), (249, 51630), (415, 30978), (498, 25815), (747, 17210), (830, 15489), (1245, 10326), (1494, 8605), (1721, 7470), (2490, 5163), (3442, 3735)]