261145320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2176211}}^1$

素因数の和:2176225

約数の個数: 32

約数和(自身を含む): 783436320

約数和(自身を除く): 522291000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2176211, 4352422, 6528633, 8704844, 10881055, 13057266, 17409688, 21762110, 26114532, 32643165, 43524220, 52229064, 65286330, 87048440, 130572660, 261145320]

約数ペア:

[(1, 261145320), (2, 130572660), (3, 87048440), (4, 65286330), (5, 52229064), (6, 43524220), (8, 32643165), (10, 26114532), (12, 21762110), (15, 17409688), (20, 13057266), (24, 10881055), (30, 8704844), (40, 6528633), (60, 4352422), (120, 2176211)]