16859640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20071}}^1$

素因数の和:20092

約数の個数: 64

約数和(自身を含む): 57807360

約数和(自身を除く): 40947720

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, 20071, 40142, 60213, 80284, 100355, 120426, 140497, 160568, 200710, 240852, 280994, 301065, 401420, 421491, 481704, 561988, 602130, 702485, 802840, 842982, 1123976, 1204260, 1404970, 1685964, 2107455, 2408520, 2809940, 3371928, 4214910, 5619880, 8429820, 16859640]

約数ペア:

[(1, 16859640), (2, 8429820), (3, 5619880), (4, 4214910), (5, 3371928), (6, 2809940), (7, 2408520), (8, 2107455), (10, 1685964), (12, 1404970), (14, 1204260), (15, 1123976), (20, 842982), (21, 802840), (24, 702485), (28, 602130), (30, 561988), (35, 481704), (40, 421491), (42, 401420), (56, 301065), (60, 280994), (70, 240852), (84, 200710), (105, 160568), (120, 140497), (140, 120426), (168, 100355), (210, 80284), (280, 60213), (420, 40142), (840, 20071)]