67807980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{839}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 206388000

約数和(自身を除く): 138580020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 839, 898, 1347, 1678, 1796, 2245, 2517, 2694, 3356, 4041, 4195, 4490, 5034, 5388, 6735, 7551, 8082, 8390, 8980, 10068, 12585, 13470, 15102, 16164, 16780, 20205, 25170, 26940, 30204, 37755, 40410, 50340, 75510, 80820, 151020, 376711, 753422, 1130133, 1506844, 1883555, 2260266, 3390399, 3767110, 4520532, 5650665, 6780798, 7534220, 11301330, 13561596, 16951995, 22602660, 33903990, 67807980]

約数ペア:

[(1, 67807980), (2, 33903990), (3, 22602660), (4, 16951995), (5, 13561596), (6, 11301330), (9, 7534220), (10, 6780798), (12, 5650665), (15, 4520532), (18, 3767110), (20, 3390399), (30, 2260266), (36, 1883555), (45, 1506844), (60, 1130133), (90, 753422), (180, 376711), (449, 151020), (839, 80820), (898, 75510), (1347, 50340), (1678, 40410), (1796, 37755), (2245, 30204), (2517, 26940), (2694, 25170), (3356, 20205), (4041, 16780), (4195, 16164), (4490, 15102), (5034, 13470), (5388, 12585), (6735, 10068), (7551, 8980), (8082, 8390)]