12501180

素因数分解:

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

素因数の和:563

約数の個数: 72

約数和(自身を含む): 38220000

約数和(自身を除く): 25718820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 349, 398, 597, 698, 796, 995, 1047, 1194, 1396, 1745, 1791, 1990, 2094, 2388, 2985, 3141, 3490, 3582, 3980, 4188, 5235, 5970, 6282, 6980, 7164, 8955, 10470, 11940, 12564, 15705, 17910, 20940, 31410, 35820, 62820, 69451, 138902, 208353, 277804, 347255, 416706, 625059, 694510, 833412, 1041765, 1250118, 1389020, 2083530, 2500236, 3125295, 4167060, 6250590, 12501180]

約数ペア:

[(1, 12501180), (2, 6250590), (3, 4167060), (4, 3125295), (5, 2500236), (6, 2083530), (9, 1389020), (10, 1250118), (12, 1041765), (15, 833412), (18, 694510), (20, 625059), (30, 416706), (36, 347255), (45, 277804), (60, 208353), (90, 138902), (180, 69451), (199, 62820), (349, 35820), (398, 31410), (597, 20940), (698, 17910), (796, 15705), (995, 12564), (1047, 11940), (1194, 10470), (1396, 8955), (1745, 7164), (1791, 6980), (1990, 6282), (2094, 5970), (2388, 5235), (2985, 4188), (3141, 3980), (3490, 3582)]