230381640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{639949}}^1$

素因数の和:639966

約数の個数: 48

約数和(自身を含む): 748741500

約数和(自身を除く): 518359860

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, 639949, 1279898, 1919847, 2559796, 3199745, 3839694, 5119592, 5759541, 6399490, 7679388, 9599235, 11519082, 12798980, 15358776, 19198470, 23038164, 25597960, 28797705, 38396940, 46076328, 57595410, 76793880, 115190820, 230381640]

約数ペア:

[(1, 230381640), (2, 115190820), (3, 76793880), (4, 57595410), (5, 46076328), (6, 38396940), (8, 28797705), (9, 25597960), (10, 23038164), (12, 19198470), (15, 15358776), (18, 12798980), (20, 11519082), (24, 9599235), (30, 7679388), (36, 6399490), (40, 5759541), (45, 5119592), (60, 3839694), (72, 3199745), (90, 2559796), (120, 1919847), (180, 1279898), (360, 639949)]