30124720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4231}}^1$

素因数の和:4333

約数の個数: 40

約数和(自身を含む): 70843680

約数和(自身を除く): 40718960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 4231, 7120, 8462, 16924, 21155, 33848, 42310, 67696, 84620, 169240, 338480, 376559, 753118, 1506236, 1882795, 3012472, 3765590, 6024944, 7531180, 15062360, 30124720]

約数ペア:

[(1, 30124720), (2, 15062360), (4, 7531180), (5, 6024944), (8, 3765590), (10, 3012472), (16, 1882795), (20, 1506236), (40, 753118), (80, 376559), (89, 338480), (178, 169240), (356, 84620), (445, 67696), (712, 42310), (890, 33848), (1424, 21155), (1780, 16924), (3560, 8462), (4231, 7120)]