401984640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 1459497600

約数和(自身を除く): 1057512960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 384, 387, 430, 432, 480, 516, 540, 541, 576, 640, 645, 688, 720, 774, 860, 864, 960, 1032, 1080, 1082, 1152, 1161, 1290, 1376, 1440, 1548, 1623, 1720, 1728, 1920, 1935, 2064, 2160, 2164, 2322, 2580, 2705, 2752, 2880, 3096, 3246, 3440, 3456, 3870, 4128, 4320, 4328, 4644, 4869, 5160, 5410, 5504, 5760, 5805, 6192, 6492, 6880, 7740, 8115, 8256, 8640, 8656, 9288, 9738, 10320, 10820, 11610, 12384, 12984, 13760, 14607, 15480, 16230, 16512, 17280, 17312, 18576, 19476, 20640, 21640, 23220, 23263, 24345, 24768, 25968, 27520, 29214, 30960, 32460, 34624, 37152, 38952, 41280, 43280, 46440, 46526, 48690, 49536, 51936, 58428, 61920, 64920, 69248, 69789, 73035, 74304, 77904, 82560, 86560, 92880, 93052, 97380, 103872, 116315, 116856, 123840, 129840, 139578, 146070, 148608, 155808, 173120, 185760, 186104, 194760, 207744, 209367, 232630, 233712, 247680, 259680, 279156, 292140, 311616, 346240, 348945, 371520, 372208, 389520, 418734, 465260, 467424, 519360, 558312, 584280, 623232, 628101, 697890, 743040, 744416, 779040, 837468, 930520, 934848, 1038720, 1046835, 1116624, 1168560, 1256202, 1395780, 1488832, 1558080, 1674936, 1861040, 1869696, 2093670, 2233248, 2337120, 2512404, 2791560, 2977664, 3116160, 3140505, 3349872, 3722080, 4187340, 4466496, 4674240, 5024808, 5583120, 6281010, 6699744, 7444160, 8374680, 8932992, 9348480, 10049616, 11166240, 12562020, 13399488, 14888320, 16749360, 20099232, 22332480, 25124040, 26798976, 33498720, 40198464, 44664960, 50248080, 66997440, 80396928, 100496160, 133994880, 200992320, 401984640]

約数ペア:

[(1, 401984640), (2, 200992320), (3, 133994880), (4, 100496160), (5, 80396928), (6, 66997440), (8, 50248080), (9, 44664960), (10, 40198464), (12, 33498720), (15, 26798976), (16, 25124040), (18, 22332480), (20, 20099232), (24, 16749360), (27, 14888320), (30, 13399488), (32, 12562020), (36, 11166240), (40, 10049616), (43, 9348480), (45, 8932992), (48, 8374680), (54, 7444160), (60, 6699744), (64, 6281010), (72, 5583120), (80, 5024808), (86, 4674240), (90, 4466496), (96, 4187340), (108, 3722080), (120, 3349872), (128, 3140505), (129, 3116160), (135, 2977664), (144, 2791560), (160, 2512404), (172, 2337120), (180, 2233248), (192, 2093670), (215, 1869696), (216, 1861040), (240, 1674936), (258, 1558080), (270, 1488832), (288, 1395780), (320, 1256202), (344, 1168560), (360, 1116624), (384, 1046835), (387, 1038720), (430, 934848), (432, 930520), (480, 837468), (516, 779040), (540, 744416), (541, 743040), (576, 697890), (640, 628101), (645, 623232), (688, 584280), (720, 558312), (774, 519360), (860, 467424), (864, 465260), (960, 418734), (1032, 389520), (1080, 372208), (1082, 371520), (1152, 348945), (1161, 346240), (1290, 311616), (1376, 292140), (1440, 279156), (1548, 259680), (1623, 247680), (1720, 233712), (1728, 232630), (1920, 209367), (1935, 207744), (2064, 194760), (2160, 186104), (2164, 185760), (2322, 173120), (2580, 155808), (2705, 148608), (2752, 146070), (2880, 139578), (3096, 129840), (3246, 123840), (3440, 116856), (3456, 116315), (3870, 103872), (4128, 97380), (4320, 93052), (4328, 92880), (4644, 86560), (4869, 82560), (5160, 77904), (5410, 74304), (5504, 73035), (5760, 69789), (5805, 69248), (6192, 64920), (6492, 61920), (6880, 58428), (7740, 51936), (8115, 49536), (8256, 48690), (8640, 46526), (8656, 46440), (9288, 43280), (9738, 41280), (10320, 38952), (10820, 37152), (11610, 34624), (12384, 32460), (12984, 30960), (13760, 29214), (14607, 27520), (15480, 25968), (16230, 24768), (16512, 24345), (17280, 23263), (17312, 23220), (18576, 21640), (19476, 20640)]