21456000

素因数分解:

$2^7\times 3^2\times 5^3\times {\mathrm{149}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 77571000

約数和(自身を除く): 56115000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 149, 150, 160, 180, 192, 200, 225, 240, 250, 288, 298, 300, 320, 360, 375, 384, 400, 447, 450, 480, 500, 576, 596, 600, 640, 720, 745, 750, 800, 894, 900, 960, 1000, 1125, 1152, 1192, 1200, 1341, 1440, 1490, 1500, 1600, 1788, 1800, 1920, 2000, 2235, 2250, 2384, 2400, 2682, 2880, 2980, 3000, 3200, 3576, 3600, 3725, 4000, 4470, 4500, 4768, 4800, 5364, 5760, 5960, 6000, 6705, 7152, 7200, 7450, 8000, 8940, 9000, 9536, 9600, 10728, 11175, 11920, 12000, 13410, 14304, 14400, 14900, 16000, 17880, 18000, 18625, 19072, 21456, 22350, 23840, 24000, 26820, 28608, 28800, 29800, 33525, 35760, 36000, 37250, 42912, 44700, 47680, 48000, 53640, 55875, 57216, 59600, 67050, 71520, 72000, 74500, 85824, 89400, 95360, 107280, 111750, 119200, 134100, 143040, 144000, 149000, 167625, 171648, 178800, 214560, 223500, 238400, 268200, 286080, 298000, 335250, 357600, 429120, 447000, 476800, 536400, 596000, 670500, 715200, 858240, 894000, 1072800, 1192000, 1341000, 1430400, 1788000, 2145600, 2384000, 2682000, 3576000, 4291200, 5364000, 7152000, 10728000, 21456000]

約数ペア:

[(1, 21456000), (2, 10728000), (3, 7152000), (4, 5364000), (5, 4291200), (6, 3576000), (8, 2682000), (9, 2384000), (10, 2145600), (12, 1788000), (15, 1430400), (16, 1341000), (18, 1192000), (20, 1072800), (24, 894000), (25, 858240), (30, 715200), (32, 670500), (36, 596000), (40, 536400), (45, 476800), (48, 447000), (50, 429120), (60, 357600), (64, 335250), (72, 298000), (75, 286080), (80, 268200), (90, 238400), (96, 223500), (100, 214560), (120, 178800), (125, 171648), (128, 167625), (144, 149000), (149, 144000), (150, 143040), (160, 134100), (180, 119200), (192, 111750), (200, 107280), (225, 95360), (240, 89400), (250, 85824), (288, 74500), (298, 72000), (300, 71520), (320, 67050), (360, 59600), (375, 57216), (384, 55875), (400, 53640), (447, 48000), (450, 47680), (480, 44700), (500, 42912), (576, 37250), (596, 36000), (600, 35760), (640, 33525), (720, 29800), (745, 28800), (750, 28608), (800, 26820), (894, 24000), (900, 23840), (960, 22350), (1000, 21456), (1125, 19072), (1152, 18625), (1192, 18000), (1200, 17880), (1341, 16000), (1440, 14900), (1490, 14400), (1500, 14304), (1600, 13410), (1788, 12000), (1800, 11920), (1920, 11175), (2000, 10728), (2235, 9600), (2250, 9536), (2384, 9000), (2400, 8940), (2682, 8000), (2880, 7450), (2980, 7200), (3000, 7152), (3200, 6705), (3576, 6000), (3600, 5960), (3725, 5760), (4000, 5364), (4470, 4800), (4500, 4768)]