71440440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4283}}^1$

素因数の和:4436

約数の個数: 64

約数和(自身を含む): 215913600

約数和(自身を除く): 144473160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4283, 5560, 8340, 8566, 12849, 16680, 17132, 21415, 25698, 34264, 42830, 51396, 64245, 85660, 102792, 128490, 171320, 256980, 513960, 595337, 1190674, 1786011, 2381348, 2976685, 3572022, 4762696, 5953370, 7144044, 8930055, 11906740, 14288088, 17860110, 23813480, 35720220, 71440440]

約数ペア:

[(1, 71440440), (2, 35720220), (3, 23813480), (4, 17860110), (5, 14288088), (6, 11906740), (8, 8930055), (10, 7144044), (12, 5953370), (15, 4762696), (20, 3572022), (24, 2976685), (30, 2381348), (40, 1786011), (60, 1190674), (120, 595337), (139, 513960), (278, 256980), (417, 171320), (556, 128490), (695, 102792), (834, 85660), (1112, 64245), (1390, 51396), (1668, 42830), (2085, 34264), (2780, 25698), (3336, 21415), (4170, 17132), (4283, 16680), (5560, 12849), (8340, 8566)]