85791780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1437

約数の個数: 72

約数和(自身を含む): 261012024

約数和(自身を除く): 175220244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 881, 1082, 1623, 1762, 2164, 2643, 2705, 3246, 3524, 4405, 4869, 5286, 5410, 6492, 7929, 8115, 8810, 9738, 10572, 10820, 13215, 15858, 16230, 17620, 19476, 24345, 26430, 31716, 32460, 39645, 48690, 52860, 79290, 97380, 158580, 476621, 953242, 1429863, 1906484, 2383105, 2859726, 4289589, 4766210, 5719452, 7149315, 8579178, 9532420, 14298630, 17158356, 21447945, 28597260, 42895890, 85791780]

約数ペア:

[(1, 85791780), (2, 42895890), (3, 28597260), (4, 21447945), (5, 17158356), (6, 14298630), (9, 9532420), (10, 8579178), (12, 7149315), (15, 5719452), (18, 4766210), (20, 4289589), (30, 2859726), (36, 2383105), (45, 1906484), (60, 1429863), (90, 953242), (180, 476621), (541, 158580), (881, 97380), (1082, 79290), (1623, 52860), (1762, 48690), (2164, 39645), (2643, 32460), (2705, 31716), (3246, 26430), (3524, 24345), (4405, 19476), (4869, 17620), (5286, 16230), (5410, 15858), (6492, 13215), (7929, 10820), (8115, 10572), (8810, 9738)]