2811540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 8047872

約数和(自身を除く): 5236332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 997, 1410, 1994, 2820, 2991, 3988, 4985, 5982, 9970, 11964, 14955, 19940, 29910, 46859, 59820, 93718, 140577, 187436, 234295, 281154, 468590, 562308, 702885, 937180, 1405770, 2811540]

約数ペア:

[(1, 2811540), (2, 1405770), (3, 937180), (4, 702885), (5, 562308), (6, 468590), (10, 281154), (12, 234295), (15, 187436), (20, 140577), (30, 93718), (47, 59820), (60, 46859), (94, 29910), (141, 19940), (188, 14955), (235, 11964), (282, 9970), (470, 5982), (564, 4985), (705, 3988), (940, 2991), (997, 2820), (1410, 1994)]