6438240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 23351328

約数和(自身を除く): 16913088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 263, 272, 288, 306, 340, 360, 408, 480, 510, 526, 544, 612, 680, 720, 765, 789, 816, 1020, 1052, 1224, 1315, 1360, 1440, 1530, 1578, 1632, 2040, 2104, 2367, 2448, 2630, 2720, 3060, 3156, 3945, 4080, 4208, 4471, 4734, 4896, 5260, 6120, 6312, 7890, 8160, 8416, 8942, 9468, 10520, 11835, 12240, 12624, 13413, 15780, 17884, 18936, 21040, 22355, 23670, 24480, 25248, 26826, 31560, 35768, 37872, 40239, 42080, 44710, 47340, 53652, 63120, 67065, 71536, 75744, 80478, 89420, 94680, 107304, 126240, 134130, 143072, 160956, 178840, 189360, 201195, 214608, 268260, 321912, 357680, 378720, 402390, 429216, 536520, 643824, 715360, 804780, 1073040, 1287648, 1609560, 2146080, 3219120, 6438240]

約数ペア:

[(1, 6438240), (2, 3219120), (3, 2146080), (4, 1609560), (5, 1287648), (6, 1073040), (8, 804780), (9, 715360), (10, 643824), (12, 536520), (15, 429216), (16, 402390), (17, 378720), (18, 357680), (20, 321912), (24, 268260), (30, 214608), (32, 201195), (34, 189360), (36, 178840), (40, 160956), (45, 143072), (48, 134130), (51, 126240), (60, 107304), (68, 94680), (72, 89420), (80, 80478), (85, 75744), (90, 71536), (96, 67065), (102, 63120), (120, 53652), (136, 47340), (144, 44710), (153, 42080), (160, 40239), (170, 37872), (180, 35768), (204, 31560), (240, 26826), (255, 25248), (263, 24480), (272, 23670), (288, 22355), (306, 21040), (340, 18936), (360, 17884), (408, 15780), (480, 13413), (510, 12624), (526, 12240), (544, 11835), (612, 10520), (680, 9468), (720, 8942), (765, 8416), (789, 8160), (816, 7890), (1020, 6312), (1052, 6120), (1224, 5260), (1315, 4896), (1360, 4734), (1440, 4471), (1530, 4208), (1578, 4080), (1632, 3945), (2040, 3156), (2104, 3060), (2367, 2720), (2448, 2630)]