257139180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1307}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 781299792

約数和(自身を除く): 524160612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1093, 1307, 2186, 2614, 3279, 3921, 4372, 5228, 5465, 6535, 6558, 7842, 9837, 10930, 11763, 13070, 13116, 15684, 16395, 19605, 19674, 21860, 23526, 26140, 32790, 39210, 39348, 47052, 49185, 58815, 65580, 78420, 98370, 117630, 196740, 235260, 1428551, 2857102, 4285653, 5714204, 7142755, 8571306, 12856959, 14285510, 17142612, 21428265, 25713918, 28571020, 42856530, 51427836, 64284795, 85713060, 128569590, 257139180]

約数ペア:

[(1, 257139180), (2, 128569590), (3, 85713060), (4, 64284795), (5, 51427836), (6, 42856530), (9, 28571020), (10, 25713918), (12, 21428265), (15, 17142612), (18, 14285510), (20, 12856959), (30, 8571306), (36, 7142755), (45, 5714204), (60, 4285653), (90, 2857102), (180, 1428551), (1093, 235260), (1307, 196740), (2186, 117630), (2614, 98370), (3279, 78420), (3921, 65580), (4372, 58815), (5228, 49185), (5465, 47052), (6535, 39348), (6558, 39210), (7842, 32790), (9837, 26140), (10930, 23526), (11763, 21860), (13070, 19674), (13116, 19605), (15684, 16395)]