31719120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 99100800

約数和(自身を除く): 67381680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 887, 894, 1192, 1490, 1774, 1788, 2235, 2384, 2661, 2980, 3548, 3576, 4435, 4470, 5322, 5960, 7096, 7152, 8870, 8940, 10644, 11920, 13305, 14192, 17740, 17880, 21288, 26610, 35480, 35760, 42576, 53220, 70960, 106440, 132163, 212880, 264326, 396489, 528652, 660815, 792978, 1057304, 1321630, 1585956, 1982445, 2114608, 2643260, 3171912, 3964890, 5286520, 6343824, 7929780, 10573040, 15859560, 31719120]

約数ペア:

[(1, 31719120), (2, 15859560), (3, 10573040), (4, 7929780), (5, 6343824), (6, 5286520), (8, 3964890), (10, 3171912), (12, 2643260), (15, 2114608), (16, 1982445), (20, 1585956), (24, 1321630), (30, 1057304), (40, 792978), (48, 660815), (60, 528652), (80, 396489), (120, 264326), (149, 212880), (240, 132163), (298, 106440), (447, 70960), (596, 53220), (745, 42576), (887, 35760), (894, 35480), (1192, 26610), (1490, 21288), (1774, 17880), (1788, 17740), (2235, 14192), (2384, 13305), (2661, 11920), (2980, 10644), (3548, 8940), (3576, 8870), (4435, 7152), (4470, 7096), (5322, 5960)]