31257330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80147}}^1$

素因数の和:80170

約数の個数: 32

約数和(自身を含む): 80789184

約数和(自身を除く): 49531854

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80147, 160294, 240441, 400735, 480882, 801470, 1041911, 1202205, 2083822, 2404410, 3125733, 5209555, 6251466, 10419110, 15628665, 31257330]

約数ペア:

[(1, 31257330), (2, 15628665), (3, 10419110), (5, 6251466), (6, 5209555), (10, 3125733), (13, 2404410), (15, 2083822), (26, 1202205), (30, 1041911), (39, 801470), (65, 480882), (78, 400735), (130, 240441), (195, 160294), (390, 80147)]