79420320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 144

約数和(自身を含む): 309778560

約数和(自身を除く): 230358240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 7879, 10080, 15758, 23637, 31516, 39395, 47274, 55153, 63032, 70911, 78790, 94548, 110306, 118185, 126064, 141822, 157580, 165459, 189096, 220612, 236370, 252128, 275765, 283644, 315160, 330918, 354555, 378192, 441224, 472740, 496377, 551530, 567288, 630320, 661836, 709110, 756384, 827295, 882448, 945480, 992754, 1103060, 1134576, 1260640, 1323672, 1418220, 1654590, 1764896, 1890960, 1985508, 2206120, 2269152, 2481885, 2647344, 2836440, 3309180, 3781920, 3971016, 4412240, 4963770, 5294688, 5672880, 6618360, 7942032, 8824480, 9927540, 11345760, 13236720, 15884064, 19855080, 26473440, 39710160, 79420320]

約数ペア:

[(1, 79420320), (2, 39710160), (3, 26473440), (4, 19855080), (5, 15884064), (6, 13236720), (7, 11345760), (8, 9927540), (9, 8824480), (10, 7942032), (12, 6618360), (14, 5672880), (15, 5294688), (16, 4963770), (18, 4412240), (20, 3971016), (21, 3781920), (24, 3309180), (28, 2836440), (30, 2647344), (32, 2481885), (35, 2269152), (36, 2206120), (40, 1985508), (42, 1890960), (45, 1764896), (48, 1654590), (56, 1418220), (60, 1323672), (63, 1260640), (70, 1134576), (72, 1103060), (80, 992754), (84, 945480), (90, 882448), (96, 827295), (105, 756384), (112, 709110), (120, 661836), (126, 630320), (140, 567288), (144, 551530), (160, 496377), (168, 472740), (180, 441224), (210, 378192), (224, 354555), (240, 330918), (252, 315160), (280, 283644), (288, 275765), (315, 252128), (336, 236370), (360, 220612), (420, 189096), (480, 165459), (504, 157580), (560, 141822), (630, 126064), (672, 118185), (720, 110306), (840, 94548), (1008, 78790), (1120, 70911), (1260, 63032), (1440, 55153), (1680, 47274), (2016, 39395), (2520, 31516), (3360, 23637), (5040, 15758), (7879, 10080)]