18207120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 57049920

約数和(自身を除く): 38842800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 709, 856, 1070, 1284, 1418, 1605, 1712, 2127, 2140, 2568, 2836, 3210, 3545, 4254, 4280, 5136, 5672, 6420, 7090, 8508, 8560, 10635, 11344, 12840, 14180, 17016, 21270, 25680, 28360, 34032, 42540, 56720, 75863, 85080, 151726, 170160, 227589, 303452, 379315, 455178, 606904, 758630, 910356, 1137945, 1213808, 1517260, 1820712, 2275890, 3034520, 3641424, 4551780, 6069040, 9103560, 18207120]

約数ペア:

[(1, 18207120), (2, 9103560), (3, 6069040), (4, 4551780), (5, 3641424), (6, 3034520), (8, 2275890), (10, 1820712), (12, 1517260), (15, 1213808), (16, 1137945), (20, 910356), (24, 758630), (30, 606904), (40, 455178), (48, 379315), (60, 303452), (80, 227589), (107, 170160), (120, 151726), (214, 85080), (240, 75863), (321, 56720), (428, 42540), (535, 34032), (642, 28360), (709, 25680), (856, 21270), (1070, 17016), (1284, 14180), (1418, 12840), (1605, 11344), (1712, 10635), (2127, 8560), (2140, 8508), (2568, 7090), (2836, 6420), (3210, 5672), (3545, 5136), (4254, 4280)]