30560720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5233}}^1$

素因数の和:5319

約数の個数: 40

約数和(自身を含む): 72040776

約数和(自身を除く): 41480056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5233, 5840, 10466, 20932, 26165, 41864, 52330, 83728, 104660, 209320, 382009, 418640, 764018, 1528036, 1910045, 3056072, 3820090, 6112144, 7640180, 15280360, 30560720]

約数ペア:

[(1, 30560720), (2, 15280360), (4, 7640180), (5, 6112144), (8, 3820090), (10, 3056072), (16, 1910045), (20, 1528036), (40, 764018), (73, 418640), (80, 382009), (146, 209320), (292, 104660), (365, 83728), (584, 52330), (730, 41864), (1168, 26165), (1460, 20932), (2920, 10466), (5233, 5840)]