99839760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{415999}}^1$

素因数の和:416015

約数の個数: 40

約数和(自身を含む): 309504000

約数和(自身を除く): 209664240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 415999, 831998, 1247997, 1663996, 2079995, 2495994, 3327992, 4159990, 4991988, 6239985, 6655984, 8319980, 9983976, 12479970, 16639960, 19967952, 24959940, 33279920, 49919880, 99839760]

約数ペア:

[(1, 99839760), (2, 49919880), (3, 33279920), (4, 24959940), (5, 19967952), (6, 16639960), (8, 12479970), (10, 9983976), (12, 8319980), (15, 6655984), (16, 6239985), (20, 4991988), (24, 4159990), (30, 3327992), (40, 2495994), (48, 2079995), (60, 1663996), (80, 1247997), (120, 831998), (240, 415999)]