81831456

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40591}}^1$

素因数の和:40614

約数の個数: 72

約数和(自身を含む): 265958784

約数和(自身を除く): 184127328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40591, 81182, 121773, 162364, 243546, 284137, 324728, 365319, 487092, 568274, 649456, 730638, 852411, 974184, 1136548, 1298912, 1461276, 1704822, 1948368, 2273096, 2557233, 2922552, 3409644, 3896736, 4546192, 5114466, 5845104, 6819288, 9092384, 10228932, 11690208, 13638576, 20457864, 27277152, 40915728, 81831456]

約数ペア:

[(1, 81831456), (2, 40915728), (3, 27277152), (4, 20457864), (6, 13638576), (7, 11690208), (8, 10228932), (9, 9092384), (12, 6819288), (14, 5845104), (16, 5114466), (18, 4546192), (21, 3896736), (24, 3409644), (28, 2922552), (32, 2557233), (36, 2273096), (42, 1948368), (48, 1704822), (56, 1461276), (63, 1298912), (72, 1136548), (84, 974184), (96, 852411), (112, 730638), (126, 649456), (144, 568274), (168, 487092), (224, 365319), (252, 324728), (288, 284137), (336, 243546), (504, 162364), (672, 121773), (1008, 81182), (2016, 40591)]