12761220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12511}}^1$

素因数の和:12540

約数の個数: 48

約数和(自身を含む): 37836288

約数和(自身を除く): 25075068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 12511, 25022, 37533, 50044, 62555, 75066, 125110, 150132, 187665, 212687, 250220, 375330, 425374, 638061, 750660, 850748, 1063435, 1276122, 2126870, 2552244, 3190305, 4253740, 6380610, 12761220]

約数ペア:

[(1, 12761220), (2, 6380610), (3, 4253740), (4, 3190305), (5, 2552244), (6, 2126870), (10, 1276122), (12, 1063435), (15, 850748), (17, 750660), (20, 638061), (30, 425374), (34, 375330), (51, 250220), (60, 212687), (68, 187665), (85, 150132), (102, 125110), (170, 75066), (204, 62555), (255, 50044), (340, 37533), (510, 25022), (1020, 12511)]