15018020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 32215260

約数和(自身を除く): 17197240

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 332, 415, 436, 545, 830, 1090, 1660, 2180, 6889, 9047, 13778, 18094, 27556, 34445, 36188, 45235, 68890, 90470, 137780, 180940, 750901, 1501802, 3003604, 3754505, 7509010, 15018020]

約数ペア:

[(1, 15018020), (2, 7509010), (4, 3754505), (5, 3003604), (10, 1501802), (20, 750901), (83, 180940), (109, 137780), (166, 90470), (218, 68890), (332, 45235), (415, 36188), (436, 34445), (545, 27556), (830, 18094), (1090, 13778), (1660, 9047), (2180, 6889)]