155385840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647441}}^1$

素因数の和:647457

約数の個数: 40

約数和(自身を含む): 481696848

約数和(自身を除く): 326311008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647441, 1294882, 1942323, 2589764, 3237205, 3884646, 5179528, 6474410, 7769292, 9711615, 10359056, 12948820, 15538584, 19423230, 25897640, 31077168, 38846460, 51795280, 77692920, 155385840]

約数ペア:

[(1, 155385840), (2, 77692920), (3, 51795280), (4, 38846460), (5, 31077168), (6, 25897640), (8, 19423230), (10, 15538584), (12, 12948820), (15, 10359056), (16, 9711615), (20, 7769292), (24, 6474410), (30, 5179528), (40, 3884646), (48, 3237205), (60, 2589764), (80, 1942323), (120, 1294882), (240, 647441)]