81064340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3347}}^1$

素因数の和:3536

約数の個数: 48

約数和(自身を含む): 195737472

約数和(自身を除く): 114673132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3347, 3460, 4844, 6055, 6694, 12110, 13388, 16735, 23429, 24220, 33470, 46858, 66940, 93716, 117145, 234290, 468580, 579031, 1158062, 2316124, 2895155, 4053217, 5790310, 8106434, 11580620, 16212868, 20266085, 40532170, 81064340]

約数ペア:

[(1, 81064340), (2, 40532170), (4, 20266085), (5, 16212868), (7, 11580620), (10, 8106434), (14, 5790310), (20, 4053217), (28, 2895155), (35, 2316124), (70, 1158062), (140, 579031), (173, 468580), (346, 234290), (692, 117145), (865, 93716), (1211, 66940), (1730, 46858), (2422, 33470), (3347, 24220), (3460, 23429), (4844, 16735), (6055, 13388), (6694, 12110)]