81505410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2833}}^1$

素因数の和:2987

約数の個数: 64

約数和(自身を含む): 225268992

約数和(自身を除く): 143763582

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1370, 1918, 2055, 2833, 2877, 4110, 4795, 5666, 5754, 8499, 9590, 14165, 14385, 16998, 19831, 28330, 28770, 39662, 42495, 59493, 84990, 99155, 118986, 198310, 297465, 388121, 594930, 776242, 1164363, 1940605, 2328726, 2716847, 3881210, 5433694, 5821815, 8150541, 11643630, 13584235, 16301082, 27168470, 40752705, 81505410]

約数ペア:

[(1, 81505410), (2, 40752705), (3, 27168470), (5, 16301082), (6, 13584235), (7, 11643630), (10, 8150541), (14, 5821815), (15, 5433694), (21, 3881210), (30, 2716847), (35, 2328726), (42, 1940605), (70, 1164363), (105, 776242), (137, 594930), (210, 388121), (274, 297465), (411, 198310), (685, 118986), (822, 99155), (959, 84990), (1370, 59493), (1918, 42495), (2055, 39662), (2833, 28770), (2877, 28330), (4110, 19831), (4795, 16998), (5666, 14385), (5754, 14165), (8499, 9590)]