161749620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2371}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 492142560

約数和(自身を除く): 330392940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 2371, 3411, 3790, 4548, 4742, 5685, 6822, 7113, 7580, 9484, 11370, 11855, 13644, 14226, 17055, 21339, 22740, 23710, 28452, 34110, 35565, 42678, 47420, 68220, 71130, 85356, 106695, 142260, 213390, 426780, 898609, 1797218, 2695827, 3594436, 4493045, 5391654, 8087481, 8986090, 10783308, 13479135, 16174962, 17972180, 26958270, 32349924, 40437405, 53916540, 80874810, 161749620]

約数ペア:

[(1, 161749620), (2, 80874810), (3, 53916540), (4, 40437405), (5, 32349924), (6, 26958270), (9, 17972180), (10, 16174962), (12, 13479135), (15, 10783308), (18, 8986090), (20, 8087481), (30, 5391654), (36, 4493045), (45, 3594436), (60, 2695827), (90, 1797218), (180, 898609), (379, 426780), (758, 213390), (1137, 142260), (1516, 106695), (1895, 85356), (2274, 71130), (2371, 68220), (3411, 47420), (3790, 42678), (4548, 35565), (4742, 34110), (5685, 28452), (6822, 23710), (7113, 22740), (7580, 21339), (9484, 17055), (11370, 14226), (11855, 13644)]