491171520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{73091}}^1$

素因数の和:73118

約数の個数: 112

約数和(自身を含む): 1782275328

約数和(自身を除く): 1291103808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 73091, 146182, 219273, 292364, 365455, 438546, 511637, 584728, 730910, 877092, 1023274, 1096365, 1169456, 1461820, 1534911, 1754184, 2046548, 2192730, 2338912, 2558185, 2923640, 3069822, 3508368, 4093096, 4385460, 4677824, 5116370, 5847280, 6139644, 7016736, 7674555, 8186192, 8770920, 10232740, 11694560, 12279288, 14033472, 15349110, 16372384, 17541840, 20465480, 23389120, 24558576, 30698220, 32744768, 35083680, 40930960, 49117152, 61396440, 70167360, 81861920, 98234304, 122792880, 163723840, 245585760, 491171520]

約数ペア:

[(1, 491171520), (2, 245585760), (3, 163723840), (4, 122792880), (5, 98234304), (6, 81861920), (7, 70167360), (8, 61396440), (10, 49117152), (12, 40930960), (14, 35083680), (15, 32744768), (16, 30698220), (20, 24558576), (21, 23389120), (24, 20465480), (28, 17541840), (30, 16372384), (32, 15349110), (35, 14033472), (40, 12279288), (42, 11694560), (48, 10232740), (56, 8770920), (60, 8186192), (64, 7674555), (70, 7016736), (80, 6139644), (84, 5847280), (96, 5116370), (105, 4677824), (112, 4385460), (120, 4093096), (140, 3508368), (160, 3069822), (168, 2923640), (192, 2558185), (210, 2338912), (224, 2192730), (240, 2046548), (280, 1754184), (320, 1534911), (336, 1461820), (420, 1169456), (448, 1096365), (480, 1023274), (560, 877092), (672, 730910), (840, 584728), (960, 511637), (1120, 438546), (1344, 365455), (1680, 292364), (2240, 219273), (3360, 146182), (6720, 73091)]