30142720

素因数分解:

$2^8\times 5^1\times {\mathrm{23549}}^1$

素因数の和:23570

約数の個数: 36

約数和(自身を含む): 72204300

約数和(自身を除く): 42061580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 23549, 47098, 94196, 117745, 188392, 235490, 376784, 470980, 753568, 941960, 1507136, 1883920, 3014272, 3767840, 6028544, 7535680, 15071360, 30142720]

約数ペア:

[(1, 30142720), (2, 15071360), (4, 7535680), (5, 6028544), (8, 3767840), (10, 3014272), (16, 1883920), (20, 1507136), (32, 941960), (40, 753568), (64, 470980), (80, 376784), (128, 235490), (160, 188392), (256, 117745), (320, 94196), (640, 47098), (1280, 23549)]