217164720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4547}}^1$

素因数の和:4762

約数の個数: 80

約数和(自身を含む): 676742400

約数和(自身を除く): 459577680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3184, 3980, 4547, 4776, 5970, 7960, 9094, 9552, 11940, 13641, 15920, 18188, 22735, 23880, 27282, 36376, 45470, 47760, 54564, 68205, 72752, 90940, 109128, 136410, 181880, 218256, 272820, 363760, 545640, 904853, 1091280, 1809706, 2714559, 3619412, 4524265, 5429118, 7238824, 9048530, 10858236, 13572795, 14477648, 18097060, 21716472, 27145590, 36194120, 43432944, 54291180, 72388240, 108582360, 217164720]

約数ペア:

[(1, 217164720), (2, 108582360), (3, 72388240), (4, 54291180), (5, 43432944), (6, 36194120), (8, 27145590), (10, 21716472), (12, 18097060), (15, 14477648), (16, 13572795), (20, 10858236), (24, 9048530), (30, 7238824), (40, 5429118), (48, 4524265), (60, 3619412), (80, 2714559), (120, 1809706), (199, 1091280), (240, 904853), (398, 545640), (597, 363760), (796, 272820), (995, 218256), (1194, 181880), (1592, 136410), (1990, 109128), (2388, 90940), (2985, 72752), (3184, 68205), (3980, 54564), (4547, 47760), (4776, 45470), (5970, 36376), (7960, 27282), (9094, 23880), (9552, 22735), (11940, 18188), (13641, 15920)]