21888000

素因数分解:

$2^{10}\times 3^2\times 5^3\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 264

約数和(自身を含む): 83026320

約数和(自身を除く): 61138320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 64, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 125, 128, 144, 150, 152, 160, 171, 180, 190, 192, 200, 225, 228, 240, 250, 256, 285, 288, 300, 304, 320, 342, 360, 375, 380, 384, 400, 450, 456, 475, 480, 500, 512, 570, 576, 600, 608, 640, 684, 720, 750, 760, 768, 800, 855, 900, 912, 950, 960, 1000, 1024, 1125, 1140, 1152, 1200, 1216, 1280, 1368, 1425, 1440, 1500, 1520, 1536, 1600, 1710, 1800, 1824, 1900, 1920, 2000, 2250, 2280, 2304, 2375, 2400, 2432, 2560, 2736, 2850, 2880, 3000, 3040, 3072, 3200, 3420, 3600, 3648, 3800, 3840, 4000, 4275, 4500, 4560, 4608, 4750, 4800, 4864, 5120, 5472, 5700, 5760, 6000, 6080, 6400, 6840, 7125, 7200, 7296, 7600, 7680, 8000, 8550, 9000, 9120, 9216, 9500, 9600, 9728, 10944, 11400, 11520, 12000, 12160, 12800, 13680, 14250, 14400, 14592, 15200, 15360, 16000, 17100, 18000, 18240, 19000, 19200, 19456, 21375, 21888, 22800, 23040, 24000, 24320, 25600, 27360, 28500, 28800, 29184, 30400, 32000, 34200, 36000, 36480, 38000, 38400, 42750, 43776, 45600, 46080, 48000, 48640, 54720, 57000, 57600, 58368, 60800, 64000, 68400, 72000, 72960, 76000, 76800, 85500, 87552, 91200, 96000, 97280, 109440, 114000, 115200, 121600, 128000, 136800, 144000, 145920, 152000, 171000, 175104, 182400, 192000, 218880, 228000, 230400, 243200, 273600, 288000, 291840, 304000, 342000, 364800, 384000, 437760, 456000, 486400, 547200, 576000, 608000, 684000, 729600, 875520, 912000, 1094400, 1152000, 1216000, 1368000, 1459200, 1824000, 2188800, 2432000, 2736000, 3648000, 4377600, 5472000, 7296000, 10944000, 21888000]

約数ペア:

[(1, 21888000), (2, 10944000), (3, 7296000), (4, 5472000), (5, 4377600), (6, 3648000), (8, 2736000), (9, 2432000), (10, 2188800), (12, 1824000), (15, 1459200), (16, 1368000), (18, 1216000), (19, 1152000), (20, 1094400), (24, 912000), (25, 875520), (30, 729600), (32, 684000), (36, 608000), (38, 576000), (40, 547200), (45, 486400), (48, 456000), (50, 437760), (57, 384000), (60, 364800), (64, 342000), (72, 304000), (75, 291840), (76, 288000), (80, 273600), (90, 243200), (95, 230400), (96, 228000), (100, 218880), (114, 192000), (120, 182400), (125, 175104), (128, 171000), (144, 152000), (150, 145920), (152, 144000), (160, 136800), (171, 128000), (180, 121600), (190, 115200), (192, 114000), (200, 109440), (225, 97280), (228, 96000), (240, 91200), (250, 87552), (256, 85500), (285, 76800), (288, 76000), (300, 72960), (304, 72000), (320, 68400), (342, 64000), (360, 60800), (375, 58368), (380, 57600), (384, 57000), (400, 54720), (450, 48640), (456, 48000), (475, 46080), (480, 45600), (500, 43776), (512, 42750), (570, 38400), (576, 38000), (600, 36480), (608, 36000), (640, 34200), (684, 32000), (720, 30400), (750, 29184), (760, 28800), (768, 28500), (800, 27360), (855, 25600), (900, 24320), (912, 24000), (950, 23040), (960, 22800), (1000, 21888), (1024, 21375), (1125, 19456), (1140, 19200), (1152, 19000), (1200, 18240), (1216, 18000), (1280, 17100), (1368, 16000), (1425, 15360), (1440, 15200), (1500, 14592), (1520, 14400), (1536, 14250), (1600, 13680), (1710, 12800), (1800, 12160), (1824, 12000), (1900, 11520), (1920, 11400), (2000, 10944), (2250, 9728), (2280, 9600), (2304, 9500), (2375, 9216), (2400, 9120), (2432, 9000), (2560, 8550), (2736, 8000), (2850, 7680), (2880, 7600), (3000, 7296), (3040, 7200), (3072, 7125), (3200, 6840), (3420, 6400), (3600, 6080), (3648, 6000), (3800, 5760), (3840, 5700), (4000, 5472), (4275, 5120), (4500, 4864), (4560, 4800), (4608, 4750)]