81810390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143527}}^1$

素因数の和:143556

約数の個数: 32

約数和(自身を含む): 206680320

約数和(自身を除く): 124869930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 143527, 287054, 430581, 717635, 861162, 1435270, 2152905, 2727013, 4305810, 5454026, 8181039, 13635065, 16362078, 27270130, 40905195, 81810390]

約数ペア:

[(1, 81810390), (2, 40905195), (3, 27270130), (5, 16362078), (6, 13635065), (10, 8181039), (15, 5454026), (19, 4305810), (30, 2727013), (38, 2152905), (57, 1435270), (95, 861162), (114, 717635), (190, 430581), (285, 287054), (570, 143527)]