218645040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2029}}^1$

素因数の和:2494

約数の個数: 80

約数和(自身を含む): 679644000

約数和(自身を除く): 460998960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 449, 898, 1347, 1796, 2029, 2245, 2694, 3592, 4058, 4490, 5388, 6087, 6735, 7184, 8116, 8980, 10145, 10776, 12174, 13470, 16232, 17960, 20290, 21552, 24348, 26940, 30435, 32464, 35920, 40580, 48696, 53880, 60870, 81160, 97392, 107760, 121740, 162320, 243480, 486960, 911021, 1822042, 2733063, 3644084, 4555105, 5466126, 7288168, 9110210, 10932252, 13665315, 14576336, 18220420, 21864504, 27330630, 36440840, 43729008, 54661260, 72881680, 109322520, 218645040]

約数ペア:

[(1, 218645040), (2, 109322520), (3, 72881680), (4, 54661260), (5, 43729008), (6, 36440840), (8, 27330630), (10, 21864504), (12, 18220420), (15, 14576336), (16, 13665315), (20, 10932252), (24, 9110210), (30, 7288168), (40, 5466126), (48, 4555105), (60, 3644084), (80, 2733063), (120, 1822042), (240, 911021), (449, 486960), (898, 243480), (1347, 162320), (1796, 121740), (2029, 107760), (2245, 97392), (2694, 81160), (3592, 60870), (4058, 53880), (4490, 48696), (5388, 40580), (6087, 35920), (6735, 32464), (7184, 30435), (8116, 26940), (8980, 24348), (10145, 21552), (10776, 20290), (12174, 17960), (13470, 16232)]