79774640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 203692320

約数和(自身を除く): 123917680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 337, 440, 538, 674, 880, 1076, 1345, 1348, 1685, 2152, 2690, 2696, 2959, 3370, 3707, 4304, 5380, 5392, 5918, 6740, 7414, 10760, 11836, 13480, 14795, 14828, 18535, 21520, 23672, 26960, 29590, 29656, 37070, 47344, 59180, 59312, 74140, 90653, 118360, 148280, 181306, 236720, 296560, 362612, 453265, 725224, 906530, 997183, 1450448, 1813060, 1994366, 3626120, 3988732, 4985915, 7252240, 7977464, 9971830, 15954928, 19943660, 39887320, 79774640]

約数ペア:

[(1, 79774640), (2, 39887320), (4, 19943660), (5, 15954928), (8, 9971830), (10, 7977464), (11, 7252240), (16, 4985915), (20, 3988732), (22, 3626120), (40, 1994366), (44, 1813060), (55, 1450448), (80, 997183), (88, 906530), (110, 725224), (176, 453265), (220, 362612), (269, 296560), (337, 236720), (440, 181306), (538, 148280), (674, 118360), (880, 90653), (1076, 74140), (1345, 59312), (1348, 59180), (1685, 47344), (2152, 37070), (2690, 29656), (2696, 29590), (2959, 26960), (3370, 23672), (3707, 21520), (4304, 18535), (5380, 14828), (5392, 14795), (5918, 13480), (6740, 11836), (7414, 10760)]