18729960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 37948440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1229, 1270, 1524, 1905, 2458, 2540, 3048, 3687, 3810, 4916, 5080, 6145, 7374, 7620, 9832, 12290, 14748, 15240, 18435, 24580, 29496, 36870, 49160, 73740, 147480, 156083, 312166, 468249, 624332, 780415, 936498, 1248664, 1560830, 1872996, 2341245, 3121660, 3745992, 4682490, 6243320, 9364980, 18729960]

約数ペア:

[(1, 18729960), (2, 9364980), (3, 6243320), (4, 4682490), (5, 3745992), (6, 3121660), (8, 2341245), (10, 1872996), (12, 1560830), (15, 1248664), (20, 936498), (24, 780415), (30, 624332), (40, 468249), (60, 312166), (120, 156083), (127, 147480), (254, 73740), (381, 49160), (508, 36870), (635, 29496), (762, 24580), (1016, 18435), (1229, 15240), (1270, 14748), (1524, 12290), (1905, 9832), (2458, 7620), (2540, 7374), (3048, 6145), (3687, 5080), (3810, 4916)]