81558900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{10069}}^1$

素因数の和:10095

約数の個数: 90

約数和(自身を含む): 264407990

約数和(自身を除く): 182849090

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 10069, 20138, 30207, 40276, 50345, 60414, 90621, 100690, 120828, 151035, 181242, 201380, 251725, 271863, 302070, 362484, 453105, 503450, 543726, 604140, 755175, 815589, 906210, 1006900, 1087452, 1359315, 1510350, 1631178, 1812420, 2265525, 2718630, 3020700, 3262356, 4077945, 4531050, 5437260, 6796575, 8155890, 9062100, 13593150, 16311780, 20389725, 27186300, 40779450, 81558900]

約数ペア:

[(1, 81558900), (2, 40779450), (3, 27186300), (4, 20389725), (5, 16311780), (6, 13593150), (9, 9062100), (10, 8155890), (12, 6796575), (15, 5437260), (18, 4531050), (20, 4077945), (25, 3262356), (27, 3020700), (30, 2718630), (36, 2265525), (45, 1812420), (50, 1631178), (54, 1510350), (60, 1359315), (75, 1087452), (81, 1006900), (90, 906210), (100, 815589), (108, 755175), (135, 604140), (150, 543726), (162, 503450), (180, 453105), (225, 362484), (270, 302070), (300, 271863), (324, 251725), (405, 201380), (450, 181242), (540, 151035), (675, 120828), (810, 100690), (900, 90621), (1350, 60414), (1620, 50345), (2025, 40276), (2700, 30207), (4050, 20138), (8100, 10069)]