81489450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11087}}^1$

素因数の和:11116

約数の個数: 72

約数和(自身を含む): 235109952

約数和(自身を除く): 153620502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 7350, 11087, 22174, 33261, 55435, 66522, 77609, 110870, 155218, 166305, 232827, 277175, 332610, 388045, 465654, 543263, 554350, 776090, 831525, 1086526, 1164135, 1629789, 1663050, 1940225, 2328270, 2716315, 3259578, 3880450, 5432630, 5820675, 8148945, 11641350, 13581575, 16297890, 27163150, 40744725, 81489450]

約数ペア:

[(1, 81489450), (2, 40744725), (3, 27163150), (5, 16297890), (6, 13581575), (7, 11641350), (10, 8148945), (14, 5820675), (15, 5432630), (21, 3880450), (25, 3259578), (30, 2716315), (35, 2328270), (42, 1940225), (49, 1663050), (50, 1629789), (70, 1164135), (75, 1086526), (98, 831525), (105, 776090), (147, 554350), (150, 543263), (175, 465654), (210, 388045), (245, 332610), (294, 277175), (350, 232827), (490, 166305), (525, 155218), (735, 110870), (1050, 77609), (1225, 66522), (1470, 55435), (2450, 33261), (3675, 22174), (7350, 11087)]