1376116720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{1987}}^1$

素因数の和:2798

約数の個数: 80

約数和(自身を含む): 3496526208

約数和(自身を除く): 2120409488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 787, 880, 1574, 1987, 3148, 3935, 3974, 6296, 7870, 7948, 8657, 9935, 12592, 15740, 15896, 17314, 19870, 21857, 31480, 31792, 34628, 39740, 43285, 43714, 62960, 69256, 79480, 86570, 87428, 109285, 138512, 158960, 173140, 174856, 218570, 346280, 349712, 437140, 692560, 874280, 1563769, 1748560, 3127538, 6255076, 7818845, 12510152, 15637690, 17201459, 25020304, 31275380, 34402918, 62550760, 68805836, 86007295, 125101520, 137611672, 172014590, 275223344, 344029180, 688058360, 1376116720]

約数ペア:

[(1, 1376116720), (2, 688058360), (4, 344029180), (5, 275223344), (8, 172014590), (10, 137611672), (11, 125101520), (16, 86007295), (20, 68805836), (22, 62550760), (40, 34402918), (44, 31275380), (55, 25020304), (80, 17201459), (88, 15637690), (110, 12510152), (176, 7818845), (220, 6255076), (440, 3127538), (787, 1748560), (880, 1563769), (1574, 874280), (1987, 692560), (3148, 437140), (3935, 349712), (3974, 346280), (6296, 218570), (7870, 174856), (7948, 173140), (8657, 158960), (9935, 138512), (12592, 109285), (15740, 87428), (15896, 86570), (17314, 79480), (19870, 69256), (21857, 62960), (31480, 43714), (31792, 43285), (34628, 39740)]