81546840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 280519200

約数和(自身を除く): 198972360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 73, 87, 90, 107, 116, 120, 145, 146, 174, 180, 214, 219, 232, 261, 290, 292, 321, 348, 360, 365, 428, 435, 438, 522, 535, 580, 584, 642, 657, 696, 730, 856, 870, 876, 963, 1044, 1070, 1095, 1160, 1284, 1305, 1314, 1460, 1605, 1740, 1752, 1926, 2088, 2117, 2140, 2190, 2568, 2610, 2628, 2920, 3103, 3210, 3285, 3480, 3852, 4234, 4280, 4380, 4815, 5220, 5256, 6206, 6351, 6420, 6570, 7704, 7811, 8468, 8760, 9309, 9630, 10440, 10585, 12412, 12702, 12840, 13140, 15515, 15622, 16936, 18618, 19053, 19260, 21170, 23433, 24824, 25404, 26280, 27927, 31030, 31244, 31755, 37236, 38106, 38520, 39055, 42340, 46545, 46866, 50808, 55854, 62060, 62488, 63510, 70299, 74472, 76212, 78110, 84680, 93090, 93732, 95265, 111708, 117165, 124120, 127020, 139635, 140598, 152424, 156220, 186180, 187464, 190530, 223416, 226519, 234330, 254040, 279270, 281196, 312440, 351495, 372360, 381060, 453038, 468660, 558540, 562392, 679557, 702990, 762120, 906076, 937320, 1117080, 1132595, 1359114, 1405980, 1812152, 2038671, 2265190, 2718228, 2811960, 3397785, 4077342, 4530380, 5436456, 6795570, 8154684, 9060760, 10193355, 13591140, 16309368, 20386710, 27182280, 40773420, 81546840]

約数ペア:

[(1, 81546840), (2, 40773420), (3, 27182280), (4, 20386710), (5, 16309368), (6, 13591140), (8, 10193355), (9, 9060760), (10, 8154684), (12, 6795570), (15, 5436456), (18, 4530380), (20, 4077342), (24, 3397785), (29, 2811960), (30, 2718228), (36, 2265190), (40, 2038671), (45, 1812152), (58, 1405980), (60, 1359114), (72, 1132595), (73, 1117080), (87, 937320), (90, 906076), (107, 762120), (116, 702990), (120, 679557), (145, 562392), (146, 558540), (174, 468660), (180, 453038), (214, 381060), (219, 372360), (232, 351495), (261, 312440), (290, 281196), (292, 279270), (321, 254040), (348, 234330), (360, 226519), (365, 223416), (428, 190530), (435, 187464), (438, 186180), (522, 156220), (535, 152424), (580, 140598), (584, 139635), (642, 127020), (657, 124120), (696, 117165), (730, 111708), (856, 95265), (870, 93732), (876, 93090), (963, 84680), (1044, 78110), (1070, 76212), (1095, 74472), (1160, 70299), (1284, 63510), (1305, 62488), (1314, 62060), (1460, 55854), (1605, 50808), (1740, 46866), (1752, 46545), (1926, 42340), (2088, 39055), (2117, 38520), (2140, 38106), (2190, 37236), (2568, 31755), (2610, 31244), (2628, 31030), (2920, 27927), (3103, 26280), (3210, 25404), (3285, 24824), (3480, 23433), (3852, 21170), (4234, 19260), (4280, 19053), (4380, 18618), (4815, 16936), (5220, 15622), (5256, 15515), (6206, 13140), (6351, 12840), (6420, 12702), (6570, 12412), (7704, 10585), (7811, 10440), (8468, 9630), (8760, 9309)]