15941220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 28874460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 683, 778, 1167, 1366, 1556, 1945, 2049, 2334, 2732, 3415, 3890, 4098, 4668, 5835, 6830, 7780, 8196, 10245, 11670, 13660, 20490, 23340, 40980, 265687, 531374, 797061, 1062748, 1328435, 1594122, 2656870, 3188244, 3985305, 5313740, 7970610, 15941220]

約数ペア:

[(1, 15941220), (2, 7970610), (3, 5313740), (4, 3985305), (5, 3188244), (6, 2656870), (10, 1594122), (12, 1328435), (15, 1062748), (20, 797061), (30, 531374), (60, 265687), (389, 40980), (683, 23340), (778, 20490), (1167, 13660), (1366, 11670), (1556, 10245), (1945, 8196), (2049, 7780), (2334, 6830), (2732, 5835), (3415, 4668), (3890, 4098)]