164378040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2137}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 494134560

約数和(自身を除く): 329756520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1282, 1923, 2137, 2564, 3205, 3846, 4274, 5128, 6410, 6411, 7692, 8548, 9615, 10685, 12820, 12822, 15384, 17096, 19230, 21370, 25640, 25644, 32055, 38460, 42740, 51288, 64110, 76920, 85480, 128220, 256440, 1369817, 2739634, 4109451, 5479268, 6849085, 8218902, 10958536, 13698170, 16437804, 20547255, 27396340, 32875608, 41094510, 54792680, 82189020, 164378040]

約数ペア:

[(1, 164378040), (2, 82189020), (3, 54792680), (4, 41094510), (5, 32875608), (6, 27396340), (8, 20547255), (10, 16437804), (12, 13698170), (15, 10958536), (20, 8218902), (24, 6849085), (30, 5479268), (40, 4109451), (60, 2739634), (120, 1369817), (641, 256440), (1282, 128220), (1923, 85480), (2137, 76920), (2564, 64110), (3205, 51288), (3846, 42740), (4274, 38460), (5128, 32055), (6410, 25644), (6411, 25640), (7692, 21370), (8548, 19230), (9615, 17096), (10685, 15384), (12820, 12822)]