215640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{599}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 702000

約数和(自身を除く): 486360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 599, 1198, 1797, 2396, 2995, 3594, 4792, 5391, 5990, 7188, 8985, 10782, 11980, 14376, 17970, 21564, 23960, 26955, 35940, 43128, 53910, 71880, 107820, 215640]

約数ペア:

[(1, 215640), (2, 107820), (3, 71880), (4, 53910), (5, 43128), (6, 35940), (8, 26955), (9, 23960), (10, 21564), (12, 17970), (15, 14376), (18, 11980), (20, 10782), (24, 8985), (30, 7188), (36, 5990), (40, 5391), (45, 4792), (60, 3594), (72, 2995), (90, 2396), (120, 1797), (180, 1198), (360, 599)]