15047440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 35176320

約数和(自身を除く): 20128880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 787, 956, 1195, 1574, 1912, 2390, 3148, 3824, 3935, 4780, 6296, 7870, 9560, 12592, 15740, 19120, 31480, 62960, 188093, 376186, 752372, 940465, 1504744, 1880930, 3009488, 3761860, 7523720, 15047440]

約数ペア:

[(1, 15047440), (2, 7523720), (4, 3761860), (5, 3009488), (8, 1880930), (10, 1504744), (16, 940465), (20, 752372), (40, 376186), (80, 188093), (239, 62960), (478, 31480), (787, 19120), (956, 15740), (1195, 12592), (1574, 9560), (1912, 7870), (2390, 6296), (3148, 4780), (3824, 3935)]