1680720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 5356800

約数和(自身を除く): 3676080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 149, 188, 235, 240, 282, 298, 376, 447, 470, 564, 596, 705, 745, 752, 894, 940, 1128, 1192, 1410, 1490, 1788, 1880, 2235, 2256, 2384, 2820, 2980, 3576, 3760, 4470, 5640, 5960, 7003, 7152, 8940, 11280, 11920, 14006, 17880, 21009, 28012, 35015, 35760, 42018, 56024, 70030, 84036, 105045, 112048, 140060, 168072, 210090, 280120, 336144, 420180, 560240, 840360, 1680720]

約数ペア:

[(1, 1680720), (2, 840360), (3, 560240), (4, 420180), (5, 336144), (6, 280120), (8, 210090), (10, 168072), (12, 140060), (15, 112048), (16, 105045), (20, 84036), (24, 70030), (30, 56024), (40, 42018), (47, 35760), (48, 35015), (60, 28012), (80, 21009), (94, 17880), (120, 14006), (141, 11920), (149, 11280), (188, 8940), (235, 7152), (240, 7003), (282, 5960), (298, 5640), (376, 4470), (447, 3760), (470, 3576), (564, 2980), (596, 2820), (705, 2384), (745, 2256), (752, 2235), (894, 1880), (940, 1788), (1128, 1490), (1192, 1410)]