30219760

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2087}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 70682976

約数和(自身を除く): 40463216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2087, 2896, 3620, 4174, 7240, 8348, 10435, 14480, 16696, 20870, 33392, 41740, 83480, 166960, 377747, 755494, 1510988, 1888735, 3021976, 3777470, 6043952, 7554940, 15109880, 30219760]

約数ペア:

[(1, 30219760), (2, 15109880), (4, 7554940), (5, 6043952), (8, 3777470), (10, 3021976), (16, 1888735), (20, 1510988), (40, 755494), (80, 377747), (181, 166960), (362, 83480), (724, 41740), (905, 33392), (1448, 20870), (1810, 16696), (2087, 14480), (2896, 10435), (3620, 8348), (4174, 7240)]