1677480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 5754240

約数和(自身を除く): 4076760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1997, 3994, 5991, 7988, 9985, 11982, 13979, 15976, 19970, 23964, 27958, 29955, 39940, 41937, 47928, 55916, 59910, 69895, 79880, 83874, 111832, 119820, 139790, 167748, 209685, 239640, 279580, 335496, 419370, 559160, 838740, 1677480]

約数ペア:

[(1, 1677480), (2, 838740), (3, 559160), (4, 419370), (5, 335496), (6, 279580), (7, 239640), (8, 209685), (10, 167748), (12, 139790), (14, 119820), (15, 111832), (20, 83874), (21, 79880), (24, 69895), (28, 59910), (30, 55916), (35, 47928), (40, 41937), (42, 39940), (56, 29955), (60, 27958), (70, 23964), (84, 19970), (105, 15976), (120, 13979), (140, 11982), (168, 9985), (210, 7988), (280, 5991), (420, 3994), (840, 1997)]