80393460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191413}}^1$

素因数の和:191432

約数の個数: 48

約数和(自身を含む): 257260416

約数和(自身を除く): 176866956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191413, 382826, 574239, 765652, 957065, 1148478, 1339891, 1914130, 2296956, 2679782, 2871195, 3828260, 4019673, 5359564, 5742390, 6699455, 8039346, 11484780, 13398910, 16078692, 20098365, 26797820, 40196730, 80393460]

約数ペア:

[(1, 80393460), (2, 40196730), (3, 26797820), (4, 20098365), (5, 16078692), (6, 13398910), (7, 11484780), (10, 8039346), (12, 6699455), (14, 5742390), (15, 5359564), (20, 4019673), (21, 3828260), (28, 2871195), (30, 2679782), (35, 2296956), (42, 1914130), (60, 1339891), (70, 1148478), (84, 957065), (105, 765652), (140, 574239), (210, 382826), (420, 191413)]