1680478920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1555999}}^1$

素因数の和:1556019

約数の個数: 64

約数和(自身を含む): 5601600000

約数和(自身を除く): 3921121080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1555999, 3111998, 4667997, 6223996, 7779995, 9335994, 12447992, 14003991, 15559990, 18671988, 23339985, 28007982, 31119980, 37343976, 42011973, 46679970, 56015964, 62239960, 70019955, 84023946, 93359940, 112031928, 140039910, 168047892, 186719880, 210059865, 280079820, 336095784, 420119730, 560159640, 840239460, 1680478920]

約数ペア:

[(1, 1680478920), (2, 840239460), (3, 560159640), (4, 420119730), (5, 336095784), (6, 280079820), (8, 210059865), (9, 186719880), (10, 168047892), (12, 140039910), (15, 112031928), (18, 93359940), (20, 84023946), (24, 70019955), (27, 62239960), (30, 56015964), (36, 46679970), (40, 42011973), (45, 37343976), (54, 31119980), (60, 28007982), (72, 23339985), (90, 18671988), (108, 15559990), (120, 14003991), (135, 12447992), (180, 9335994), (216, 7779995), (270, 6223996), (360, 4667997), (540, 3111998), (1080, 1555999)]