16668240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 52080000

約数和(自身を除く): 35411760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 349, 398, 597, 698, 796, 995, 1047, 1194, 1396, 1592, 1745, 1990, 2094, 2388, 2792, 2985, 3184, 3490, 3980, 4188, 4776, 5235, 5584, 5970, 6980, 7960, 8376, 9552, 10470, 11940, 13960, 15920, 16752, 20940, 23880, 27920, 41880, 47760, 69451, 83760, 138902, 208353, 277804, 347255, 416706, 555608, 694510, 833412, 1041765, 1111216, 1389020, 1666824, 2083530, 2778040, 3333648, 4167060, 5556080, 8334120, 16668240]

約数ペア:

[(1, 16668240), (2, 8334120), (3, 5556080), (4, 4167060), (5, 3333648), (6, 2778040), (8, 2083530), (10, 1666824), (12, 1389020), (15, 1111216), (16, 1041765), (20, 833412), (24, 694510), (30, 555608), (40, 416706), (48, 347255), (60, 277804), (80, 208353), (120, 138902), (199, 83760), (240, 69451), (349, 47760), (398, 41880), (597, 27920), (698, 23880), (796, 20940), (995, 16752), (1047, 15920), (1194, 13960), (1396, 11940), (1592, 10470), (1745, 9552), (1990, 8376), (2094, 7960), (2388, 6980), (2792, 5970), (2985, 5584), (3184, 5235), (3490, 4776), (3980, 4188)]