287720280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{799223}}^1$

素因数の和:799240

約数の個数: 48

約数和(自身を含む): 935092080

約数和(自身を除く): 647371800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 799223, 1598446, 2397669, 3196892, 3996115, 4795338, 6393784, 7193007, 7992230, 9590676, 11988345, 14386014, 15984460, 19181352, 23976690, 28772028, 31968920, 35965035, 47953380, 57544056, 71930070, 95906760, 143860140, 287720280]

約数ペア:

[(1, 287720280), (2, 143860140), (3, 95906760), (4, 71930070), (5, 57544056), (6, 47953380), (8, 35965035), (9, 31968920), (10, 28772028), (12, 23976690), (15, 19181352), (18, 15984460), (20, 14386014), (24, 11988345), (30, 9590676), (36, 7992230), (40, 7193007), (45, 6393784), (60, 4795338), (72, 3996115), (90, 3196892), (120, 2397669), (180, 1598446), (360, 799223)]