145420290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1615781}}^1$

素因数の和:1615794

約数の個数: 24

約数和(自身を含む): 378092988

約数和(自身を除く): 232672698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1615781, 3231562, 4847343, 8078905, 9694686, 14542029, 16157810, 24236715, 29084058, 48473430, 72710145, 145420290]

約数ペア:

[(1, 145420290), (2, 72710145), (3, 48473430), (5, 29084058), (6, 24236715), (9, 16157810), (10, 14542029), (15, 9694686), (18, 8078905), (30, 4847343), (45, 3231562), (90, 1615781)]