81195240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96661}}^1$

素因数の和:96682

約数の個数: 64

約数和(自身を含む): 278386560

約数和(自身を除く): 197191320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96661, 193322, 289983, 386644, 483305, 579966, 676627, 773288, 966610, 1159932, 1353254, 1449915, 1933220, 2029881, 2319864, 2706508, 2899830, 3383135, 3866440, 4059762, 5413016, 5799660, 6766270, 8119524, 10149405, 11599320, 13532540, 16239048, 20298810, 27065080, 40597620, 81195240]

約数ペア:

[(1, 81195240), (2, 40597620), (3, 27065080), (4, 20298810), (5, 16239048), (6, 13532540), (7, 11599320), (8, 10149405), (10, 8119524), (12, 6766270), (14, 5799660), (15, 5413016), (20, 4059762), (21, 3866440), (24, 3383135), (28, 2899830), (30, 2706508), (35, 2319864), (40, 2029881), (42, 1933220), (56, 1449915), (60, 1353254), (70, 1159932), (84, 966610), (105, 773288), (120, 676627), (140, 579966), (168, 483305), (210, 386644), (280, 289983), (420, 193322), (840, 96661)]