61286520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3253}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 185087520

約数和(自身を除く): 123801000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3253, 3768, 4710, 6280, 6506, 9420, 9759, 13012, 16265, 18840, 19518, 26024, 32530, 39036, 48795, 65060, 78072, 97590, 130120, 195180, 390360, 510721, 1021442, 1532163, 2042884, 2553605, 3064326, 4085768, 5107210, 6128652, 7660815, 10214420, 12257304, 15321630, 20428840, 30643260, 61286520]

約数ペア:

[(1, 61286520), (2, 30643260), (3, 20428840), (4, 15321630), (5, 12257304), (6, 10214420), (8, 7660815), (10, 6128652), (12, 5107210), (15, 4085768), (20, 3064326), (24, 2553605), (30, 2042884), (40, 1532163), (60, 1021442), (120, 510721), (157, 390360), (314, 195180), (471, 130120), (628, 97590), (785, 78072), (942, 65060), (1256, 48795), (1570, 39036), (1884, 32530), (2355, 26024), (3140, 19518), (3253, 18840), (3768, 16265), (4710, 13012), (6280, 9759), (6506, 9420)]