12990660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{683}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 23551356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 683, 951, 1268, 1366, 1585, 1902, 2049, 2732, 3170, 3415, 3804, 4098, 4755, 6340, 6830, 8196, 9510, 10245, 13660, 19020, 20490, 40980, 216511, 433022, 649533, 866044, 1082555, 1299066, 2165110, 2598132, 3247665, 4330220, 6495330, 12990660]

約数ペア:

[(1, 12990660), (2, 6495330), (3, 4330220), (4, 3247665), (5, 2598132), (6, 2165110), (10, 1299066), (12, 1082555), (15, 866044), (20, 649533), (30, 433022), (60, 216511), (317, 40980), (634, 20490), (683, 19020), (951, 13660), (1268, 10245), (1366, 9510), (1585, 8196), (1902, 6830), (2049, 6340), (2732, 4755), (3170, 4098), (3415, 3804)]