1520461180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1109}}^1\times {\mathrm{1399}}^1$

素因数の和:2531

約数の個数: 72

約数和(自身を含む): 3720276000

約数和(自身を除く): 2199814820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1109, 1399, 2218, 2798, 4436, 5545, 5596, 6995, 7763, 9793, 11090, 13990, 15526, 19586, 22180, 27980, 31052, 38815, 39172, 48965, 54341, 68551, 77630, 97930, 108682, 137102, 155260, 195860, 217364, 271705, 274204, 342755, 543410, 685510, 1086820, 1371020, 1551491, 3102982, 6205964, 7757455, 10860437, 15514910, 21720874, 31029820, 43441748, 54302185, 76023059, 108604370, 152046118, 217208740, 304092236, 380115295, 760230590, 1520461180]

約数ペア:

[(1, 1520461180), (2, 760230590), (4, 380115295), (5, 304092236), (7, 217208740), (10, 152046118), (14, 108604370), (20, 76023059), (28, 54302185), (35, 43441748), (49, 31029820), (70, 21720874), (98, 15514910), (140, 10860437), (196, 7757455), (245, 6205964), (490, 3102982), (980, 1551491), (1109, 1371020), (1399, 1086820), (2218, 685510), (2798, 543410), (4436, 342755), (5545, 274204), (5596, 271705), (6995, 217364), (7763, 195860), (9793, 155260), (11090, 137102), (13990, 108682), (15526, 97930), (19586, 77630), (22180, 68551), (27980, 54341), (31052, 48965), (38815, 39172)]