81796640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 203911344

約数和(自身を除く): 122114704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 74, 80, 82, 148, 160, 164, 185, 205, 296, 328, 337, 370, 410, 592, 656, 674, 740, 820, 1184, 1312, 1348, 1480, 1517, 1640, 1685, 2696, 2960, 3034, 3280, 3370, 5392, 5920, 6068, 6560, 6740, 7585, 10784, 12136, 12469, 13480, 13817, 15170, 24272, 24938, 26960, 27634, 30340, 48544, 49876, 53920, 55268, 60680, 62345, 69085, 99752, 110536, 121360, 124690, 138170, 199504, 221072, 242720, 249380, 276340, 399008, 442144, 498760, 511229, 552680, 997520, 1022458, 1105360, 1995040, 2044916, 2210720, 2556145, 4089832, 5112290, 8179664, 10224580, 16359328, 20449160, 40898320, 81796640]

約数ペア:

[(1, 81796640), (2, 40898320), (4, 20449160), (5, 16359328), (8, 10224580), (10, 8179664), (16, 5112290), (20, 4089832), (32, 2556145), (37, 2210720), (40, 2044916), (41, 1995040), (74, 1105360), (80, 1022458), (82, 997520), (148, 552680), (160, 511229), (164, 498760), (185, 442144), (205, 399008), (296, 276340), (328, 249380), (337, 242720), (370, 221072), (410, 199504), (592, 138170), (656, 124690), (674, 121360), (740, 110536), (820, 99752), (1184, 69085), (1312, 62345), (1348, 60680), (1480, 55268), (1517, 53920), (1640, 49876), (1685, 48544), (2696, 30340), (2960, 27634), (3034, 26960), (3280, 24938), (3370, 24272), (5392, 15170), (5920, 13817), (6068, 13480), (6560, 12469), (6740, 12136), (7585, 10784)]