30455120

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^2$

素因数の和:1247

約数の個数: 30

約数和(自身を含む): 70923102

約数和(自身を除く): 40467982

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 24680, 49360, 380689, 761378, 1522756, 1903445, 3045512, 3806890, 6091024, 7613780, 15227560, 30455120]

約数ペア:

[(1, 30455120), (2, 15227560), (4, 7613780), (5, 6091024), (8, 3806890), (10, 3045512), (16, 1903445), (20, 1522756), (40, 761378), (80, 380689), (617, 49360), (1234, 24680), (2468, 12340), (3085, 9872), (4936, 6170)]