81431430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19813}}^1$

素因数の和:19960

約数の個数: 32

約数和(自身を含む): 196871904

約数和(自身を除く): 115440474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 19813, 39626, 59439, 99065, 118878, 198130, 297195, 594390, 2714381, 5428762, 8143143, 13571905, 16286286, 27143810, 40715715, 81431430]

約数ペア:

[(1, 81431430), (2, 40715715), (3, 27143810), (5, 16286286), (6, 13571905), (10, 8143143), (15, 5428762), (30, 2714381), (137, 594390), (274, 297195), (411, 198130), (685, 118878), (822, 99065), (1370, 59439), (2055, 39626), (4110, 19813)]