1390851180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{14831}}^1$

素因数の和:15367

約数の個数: 72

約数和(自身を含む): 4227297984

約数和(自身を除く): 2836446804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2605, 3126, 4689, 5210, 6252, 7815, 9378, 10420, 14831, 15630, 18756, 23445, 29662, 31260, 44493, 46890, 59324, 74155, 88986, 93780, 133479, 148310, 177972, 222465, 266958, 296620, 444930, 533916, 667395, 889860, 1334790, 2669580, 7726951, 15453902, 23180853, 30907804, 38634755, 46361706, 69542559, 77269510, 92723412, 115904265, 139085118, 154539020, 231808530, 278170236, 347712795, 463617060, 695425590, 1390851180]

約数ペア:

[(1, 1390851180), (2, 695425590), (3, 463617060), (4, 347712795), (5, 278170236), (6, 231808530), (9, 154539020), (10, 139085118), (12, 115904265), (15, 92723412), (18, 77269510), (20, 69542559), (30, 46361706), (36, 38634755), (45, 30907804), (60, 23180853), (90, 15453902), (180, 7726951), (521, 2669580), (1042, 1334790), (1563, 889860), (2084, 667395), (2605, 533916), (3126, 444930), (4689, 296620), (5210, 266958), (6252, 222465), (7815, 177972), (9378, 148310), (10420, 133479), (14831, 93780), (15630, 88986), (18756, 74155), (23445, 59324), (29662, 46890), (31260, 44493)]