15233840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1$

素因数の和:1869

約数の個数: 40

約数和(自身を含む): 35764080

約数和(自身を除く): 20530240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1747, 2180, 3494, 4360, 6988, 8720, 8735, 13976, 17470, 27952, 34940, 69880, 139760, 190423, 380846, 761692, 952115, 1523384, 1904230, 3046768, 3808460, 7616920, 15233840]

約数ペア:

[(1, 15233840), (2, 7616920), (4, 3808460), (5, 3046768), (8, 1904230), (10, 1523384), (16, 952115), (20, 761692), (40, 380846), (80, 190423), (109, 139760), (218, 69880), (436, 34940), (545, 27952), (872, 17470), (1090, 13976), (1744, 8735), (1747, 8720), (2180, 6988), (3494, 4360)]