81361320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39883}}^1$

素因数の和:39914

約数の個数: 64

約数和(自身を含む): 258448320

約数和(自身を除く): 177087000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 39883, 79766, 119649, 159532, 199415, 239298, 319064, 398830, 478596, 598245, 678011, 797660, 957192, 1196490, 1356022, 1595320, 2034033, 2392980, 2712044, 3390055, 4068066, 4785960, 5424088, 6780110, 8136132, 10170165, 13560220, 16272264, 20340330, 27120440, 40680660, 81361320]

約数ペア:

[(1, 81361320), (2, 40680660), (3, 27120440), (4, 20340330), (5, 16272264), (6, 13560220), (8, 10170165), (10, 8136132), (12, 6780110), (15, 5424088), (17, 4785960), (20, 4068066), (24, 3390055), (30, 2712044), (34, 2392980), (40, 2034033), (51, 1595320), (60, 1356022), (68, 1196490), (85, 957192), (102, 797660), (120, 678011), (136, 598245), (170, 478596), (204, 398830), (255, 319064), (340, 239298), (408, 199415), (510, 159532), (680, 119649), (1020, 79766), (2040, 39883)]