248980320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4085

約数の個数: 144

約数和(自身を含む): 869620752

約数和(自身を除く): 620640432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4021, 4128, 5160, 6192, 6880, 7740, 8042, 10320, 12063, 12384, 15480, 16084, 20105, 20640, 24126, 30960, 32168, 36189, 40210, 48252, 60315, 61920, 64336, 72378, 80420, 96504, 120630, 128672, 144756, 160840, 172903, 180945, 193008, 241260, 289512, 321680, 345806, 361890, 386016, 482520, 518709, 579024, 643360, 691612, 723780, 864515, 965040, 1037418, 1158048, 1383224, 1447560, 1556127, 1729030, 1930080, 2074836, 2593545, 2766448, 2895120, 3112254, 3458060, 4149672, 5187090, 5532896, 5790240, 6224508, 6916120, 7780635, 8299344, 10374180, 12449016, 13832240, 15561270, 16598688, 20748360, 24898032, 27664480, 31122540, 41496720, 49796064, 62245080, 82993440, 124490160, 248980320]

約数ペア:

[(1, 248980320), (2, 124490160), (3, 82993440), (4, 62245080), (5, 49796064), (6, 41496720), (8, 31122540), (9, 27664480), (10, 24898032), (12, 20748360), (15, 16598688), (16, 15561270), (18, 13832240), (20, 12449016), (24, 10374180), (30, 8299344), (32, 7780635), (36, 6916120), (40, 6224508), (43, 5790240), (45, 5532896), (48, 5187090), (60, 4149672), (72, 3458060), (80, 3112254), (86, 2895120), (90, 2766448), (96, 2593545), (120, 2074836), (129, 1930080), (144, 1729030), (160, 1556127), (172, 1447560), (180, 1383224), (215, 1158048), (240, 1037418), (258, 965040), (288, 864515), (344, 723780), (360, 691612), (387, 643360), (430, 579024), (480, 518709), (516, 482520), (645, 386016), (688, 361890), (720, 345806), (774, 321680), (860, 289512), (1032, 241260), (1290, 193008), (1376, 180945), (1440, 172903), (1548, 160840), (1720, 144756), (1935, 128672), (2064, 120630), (2580, 96504), (3096, 80420), (3440, 72378), (3870, 64336), (4021, 61920), (4128, 60315), (5160, 48252), (6192, 40210), (6880, 36189), (7740, 32168), (8042, 30960), (10320, 24126), (12063, 20640), (12384, 20105), (15480, 16084)]