81508890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{11969}}^1$

素因数の和:12206

約数の個数: 32

約数和(自身を含む): 196499520

約数和(自身を除く): 114990630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 227, 454, 681, 1135, 1362, 2270, 3405, 6810, 11969, 23938, 35907, 59845, 71814, 119690, 179535, 359070, 2716963, 5433926, 8150889, 13584815, 16301778, 27169630, 40754445, 81508890]

約数ペア:

[(1, 81508890), (2, 40754445), (3, 27169630), (5, 16301778), (6, 13584815), (10, 8150889), (15, 5433926), (30, 2716963), (227, 359070), (454, 179535), (681, 119690), (1135, 71814), (1362, 59845), (2270, 35907), (3405, 23938), (6810, 11969)]