28853460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 88165896

約数和(自身を除く): 59312436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1021, 1413, 1570, 1884, 2042, 2355, 2826, 3063, 3140, 4084, 4710, 5105, 5652, 6126, 7065, 9189, 9420, 10210, 12252, 14130, 15315, 18378, 20420, 28260, 30630, 36756, 45945, 61260, 91890, 160297, 183780, 320594, 480891, 641188, 801485, 961782, 1442673, 1602970, 1923564, 2404455, 2885346, 3205940, 4808910, 5770692, 7213365, 9617820, 14426730, 28853460]

約数ペア:

[(1, 28853460), (2, 14426730), (3, 9617820), (4, 7213365), (5, 5770692), (6, 4808910), (9, 3205940), (10, 2885346), (12, 2404455), (15, 1923564), (18, 1602970), (20, 1442673), (30, 961782), (36, 801485), (45, 641188), (60, 480891), (90, 320594), (157, 183780), (180, 160297), (314, 91890), (471, 61260), (628, 45945), (785, 36756), (942, 30630), (1021, 28260), (1413, 20420), (1570, 18378), (1884, 15315), (2042, 14130), (2355, 12252), (2826, 10210), (3063, 9420), (3140, 9189), (4084, 7065), (4710, 6126), (5105, 5652)]