81661320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17449}}^1$

素因数の和:17479

約数の個数: 96

約数和(自身を含む): 285831000

約数和(自身を除く): 204169680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 17449, 34898, 52347, 69796, 87245, 104694, 139592, 157041, 174490, 209388, 226837, 261735, 314082, 348980, 418776, 453674, 523470, 628164, 680511, 697960, 785205, 907348, 1046940, 1134185, 1256328, 1361022, 1570410, 1814696, 2041533, 2093880, 2268370, 2722044, 3140820, 3402555, 4083066, 4536740, 5444088, 6281640, 6805110, 8166132, 9073480, 10207665, 13610220, 16332264, 20415330, 27220440, 40830660, 81661320]

約数ペア:

[(1, 81661320), (2, 40830660), (3, 27220440), (4, 20415330), (5, 16332264), (6, 13610220), (8, 10207665), (9, 9073480), (10, 8166132), (12, 6805110), (13, 6281640), (15, 5444088), (18, 4536740), (20, 4083066), (24, 3402555), (26, 3140820), (30, 2722044), (36, 2268370), (39, 2093880), (40, 2041533), (45, 1814696), (52, 1570410), (60, 1361022), (65, 1256328), (72, 1134185), (78, 1046940), (90, 907348), (104, 785205), (117, 697960), (120, 680511), (130, 628164), (156, 523470), (180, 453674), (195, 418776), (234, 348980), (260, 314082), (312, 261735), (360, 226837), (390, 209388), (468, 174490), (520, 157041), (585, 139592), (780, 104694), (936, 87245), (1170, 69796), (1560, 52347), (2340, 34898), (4680, 17449)]