144717720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{172283}}^1$

素因数の和:172304

約数の個数: 64

約数和(自身を含む): 496177920

約数和(自身を除く): 351460200

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, 172283, 344566, 516849, 689132, 861415, 1033698, 1205981, 1378264, 1722830, 2067396, 2411962, 2584245, 3445660, 3617943, 4134792, 4823924, 5168490, 6029905, 6891320, 7235886, 9647848, 10336980, 12059810, 14471772, 18089715, 20673960, 24119620, 28943544, 36179430, 48239240, 72358860, 144717720]

約数ペア:

[(1, 144717720), (2, 72358860), (3, 48239240), (4, 36179430), (5, 28943544), (6, 24119620), (7, 20673960), (8, 18089715), (10, 14471772), (12, 12059810), (14, 10336980), (15, 9647848), (20, 7235886), (21, 6891320), (24, 6029905), (28, 5168490), (30, 4823924), (35, 4134792), (40, 3617943), (42, 3445660), (56, 2584245), (60, 2411962), (70, 2067396), (84, 1722830), (105, 1378264), (120, 1205981), (140, 1033698), (168, 861415), (210, 689132), (280, 516849), (420, 344566), (840, 172283)]