87947820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1361}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 267714720

約数和(自身を除く): 179766900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1361, 1436, 1795, 2154, 2722, 3231, 3590, 4083, 4308, 5385, 5444, 6462, 6805, 7180, 8166, 10770, 12249, 12924, 13610, 16155, 16332, 20415, 21540, 24498, 27220, 32310, 40830, 48996, 61245, 64620, 81660, 122490, 244980, 488599, 977198, 1465797, 1954396, 2442995, 2931594, 4397391, 4885990, 5863188, 7328985, 8794782, 9771980, 14657970, 17589564, 21986955, 29315940, 43973910, 87947820]

約数ペア:

[(1, 87947820), (2, 43973910), (3, 29315940), (4, 21986955), (5, 17589564), (6, 14657970), (9, 9771980), (10, 8794782), (12, 7328985), (15, 5863188), (18, 4885990), (20, 4397391), (30, 2931594), (36, 2442995), (45, 1954396), (60, 1465797), (90, 977198), (180, 488599), (359, 244980), (718, 122490), (1077, 81660), (1361, 64620), (1436, 61245), (1795, 48996), (2154, 40830), (2722, 32310), (3231, 27220), (3590, 24498), (4083, 21540), (4308, 20415), (5385, 16332), (5444, 16155), (6462, 13610), (6805, 12924), (7180, 12249), (8166, 10770)]