1237520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 2976000

約数和(自身を除く): 1738480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 499, 620, 998, 1240, 1996, 2480, 2495, 3992, 4990, 7984, 9980, 15469, 19960, 30938, 39920, 61876, 77345, 123752, 154690, 247504, 309380, 618760, 1237520]

約数ペア:

[(1, 1237520), (2, 618760), (4, 309380), (5, 247504), (8, 154690), (10, 123752), (16, 77345), (20, 61876), (31, 39920), (40, 30938), (62, 19960), (80, 15469), (124, 9980), (155, 7984), (248, 4990), (310, 3992), (496, 2495), (499, 2480), (620, 1996), (998, 1240)]