21715200

素因数分解:

$2^8\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 324

約数和(自身を含む): 86491860

約数和(自身を除く): 64776660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 29, 30, 32, 36, 39, 40, 45, 48, 50, 52, 58, 60, 64, 65, 72, 75, 78, 80, 87, 90, 96, 100, 104, 116, 117, 120, 128, 130, 144, 145, 150, 156, 160, 174, 180, 192, 195, 200, 208, 225, 232, 234, 240, 256, 260, 261, 288, 290, 300, 312, 320, 325, 348, 360, 377, 384, 390, 400, 416, 435, 450, 464, 468, 480, 520, 522, 576, 580, 585, 600, 624, 640, 650, 696, 720, 725, 754, 768, 780, 800, 832, 870, 900, 928, 936, 960, 975, 1040, 1044, 1131, 1152, 1160, 1170, 1200, 1248, 1280, 1300, 1305, 1392, 1440, 1450, 1508, 1560, 1600, 1664, 1740, 1800, 1856, 1872, 1885, 1920, 1950, 2080, 2088, 2175, 2262, 2304, 2320, 2340, 2400, 2496, 2600, 2610, 2784, 2880, 2900, 2925, 3016, 3120, 3200, 3328, 3393, 3480, 3600, 3712, 3744, 3770, 3840, 3900, 4160, 4176, 4350, 4524, 4640, 4680, 4800, 4992, 5200, 5220, 5568, 5655, 5760, 5800, 5850, 6032, 6240, 6400, 6525, 6786, 6960, 7200, 7424, 7488, 7540, 7800, 8320, 8352, 8700, 9048, 9280, 9360, 9425, 9600, 9984, 10400, 10440, 11136, 11310, 11520, 11600, 11700, 12064, 12480, 13050, 13572, 13920, 14400, 14976, 15080, 15600, 16640, 16704, 16965, 17400, 18096, 18560, 18720, 18850, 19200, 20800, 20880, 22272, 22620, 23200, 23400, 24128, 24960, 26100, 27144, 27840, 28275, 28800, 29952, 30160, 31200, 33408, 33930, 34800, 36192, 37120, 37440, 37700, 41600, 41760, 45240, 46400, 46800, 48256, 49920, 52200, 54288, 55680, 56550, 57600, 60320, 62400, 66816, 67860, 69600, 72384, 74880, 75400, 83200, 83520, 84825, 90480, 92800, 93600, 96512, 104400, 108576, 111360, 113100, 120640, 124800, 135720, 139200, 144768, 149760, 150800, 167040, 169650, 180960, 185600, 187200, 208800, 217152, 226200, 241280, 249600, 271440, 278400, 289536, 301600, 334080, 339300, 361920, 374400, 417600, 434304, 452400, 482560, 542880, 556800, 603200, 678600, 723840, 748800, 835200, 868608, 904800, 1085760, 1206400, 1357200, 1447680, 1670400, 1809600, 2171520, 2412800, 2714400, 3619200, 4343040, 5428800, 7238400, 10857600, 21715200]

約数ペア:

[(1, 21715200), (2, 10857600), (3, 7238400), (4, 5428800), (5, 4343040), (6, 3619200), (8, 2714400), (9, 2412800), (10, 2171520), (12, 1809600), (13, 1670400), (15, 1447680), (16, 1357200), (18, 1206400), (20, 1085760), (24, 904800), (25, 868608), (26, 835200), (29, 748800), (30, 723840), (32, 678600), (36, 603200), (39, 556800), (40, 542880), (45, 482560), (48, 452400), (50, 434304), (52, 417600), (58, 374400), (60, 361920), (64, 339300), (65, 334080), (72, 301600), (75, 289536), (78, 278400), (80, 271440), (87, 249600), (90, 241280), (96, 226200), (100, 217152), (104, 208800), (116, 187200), (117, 185600), (120, 180960), (128, 169650), (130, 167040), (144, 150800), (145, 149760), (150, 144768), (156, 139200), (160, 135720), (174, 124800), (180, 120640), (192, 113100), (195, 111360), (200, 108576), (208, 104400), (225, 96512), (232, 93600), (234, 92800), (240, 90480), (256, 84825), (260, 83520), (261, 83200), (288, 75400), (290, 74880), (300, 72384), (312, 69600), (320, 67860), (325, 66816), (348, 62400), (360, 60320), (377, 57600), (384, 56550), (390, 55680), (400, 54288), (416, 52200), (435, 49920), (450, 48256), (464, 46800), (468, 46400), (480, 45240), (520, 41760), (522, 41600), (576, 37700), (580, 37440), (585, 37120), (600, 36192), (624, 34800), (640, 33930), (650, 33408), (696, 31200), (720, 30160), (725, 29952), (754, 28800), (768, 28275), (780, 27840), (800, 27144), (832, 26100), (870, 24960), (900, 24128), (928, 23400), (936, 23200), (960, 22620), (975, 22272), (1040, 20880), (1044, 20800), (1131, 19200), (1152, 18850), (1160, 18720), (1170, 18560), (1200, 18096), (1248, 17400), (1280, 16965), (1300, 16704), (1305, 16640), (1392, 15600), (1440, 15080), (1450, 14976), (1508, 14400), (1560, 13920), (1600, 13572), (1664, 13050), (1740, 12480), (1800, 12064), (1856, 11700), (1872, 11600), (1885, 11520), (1920, 11310), (1950, 11136), (2080, 10440), (2088, 10400), (2175, 9984), (2262, 9600), (2304, 9425), (2320, 9360), (2340, 9280), (2400, 9048), (2496, 8700), (2600, 8352), (2610, 8320), (2784, 7800), (2880, 7540), (2900, 7488), (2925, 7424), (3016, 7200), (3120, 6960), (3200, 6786), (3328, 6525), (3393, 6400), (3480, 6240), (3600, 6032), (3712, 5850), (3744, 5800), (3770, 5760), (3840, 5655), (3900, 5568), (4160, 5220), (4176, 5200), (4350, 4992), (4524, 4800), (4640, 4680)]