304897140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10789}}^1$

素因数の和:10961

約数の個数: 72

約数和(自身を含む): 930831720

約数和(自身を除く): 625934580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 10789, 14130, 21578, 28260, 32367, 43156, 53945, 64734, 97101, 107890, 129468, 161835, 194202, 215780, 323670, 388404, 485505, 647340, 971010, 1693873, 1942020, 3387746, 5081619, 6775492, 8469365, 10163238, 15244857, 16938730, 20326476, 25408095, 30489714, 33877460, 50816190, 60979428, 76224285, 101632380, 152448570, 304897140]

約数ペア:

[(1, 304897140), (2, 152448570), (3, 101632380), (4, 76224285), (5, 60979428), (6, 50816190), (9, 33877460), (10, 30489714), (12, 25408095), (15, 20326476), (18, 16938730), (20, 15244857), (30, 10163238), (36, 8469365), (45, 6775492), (60, 5081619), (90, 3387746), (157, 1942020), (180, 1693873), (314, 971010), (471, 647340), (628, 485505), (785, 388404), (942, 323670), (1413, 215780), (1570, 194202), (1884, 161835), (2355, 129468), (2826, 107890), (3140, 97101), (4710, 64734), (5652, 53945), (7065, 43156), (9420, 32367), (10789, 28260), (14130, 21578)]