661147320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5509561}}^1$

素因数の和:5509575

約数の個数: 32

約数和(自身を含む): 1983442320

約数和(自身を除く): 1322295000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5509561, 11019122, 16528683, 22038244, 27547805, 33057366, 44076488, 55095610, 66114732, 82643415, 110191220, 132229464, 165286830, 220382440, 330573660, 661147320]

約数ペア:

[(1, 661147320), (2, 330573660), (3, 220382440), (4, 165286830), (5, 132229464), (6, 110191220), (8, 82643415), (10, 66114732), (12, 55095610), (15, 44076488), (20, 33057366), (24, 27547805), (30, 22038244), (40, 16528683), (60, 11019122), (120, 5509561)]