781260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 2268000

約数和(自身を除く): 1486740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 449, 580, 870, 898, 1347, 1740, 1796, 2245, 2694, 4490, 5388, 6735, 8980, 13021, 13470, 26042, 26940, 39063, 52084, 65105, 78126, 130210, 156252, 195315, 260420, 390630, 781260]

約数ペア:

[(1, 781260), (2, 390630), (3, 260420), (4, 195315), (5, 156252), (6, 130210), (10, 78126), (12, 65105), (15, 52084), (20, 39063), (29, 26940), (30, 26042), (58, 13470), (60, 13021), (87, 8980), (116, 6735), (145, 5388), (174, 4490), (290, 2694), (348, 2245), (435, 1796), (449, 1740), (580, 1347), (870, 898)]