21657600

素因数分解:

$2^{11}\times 3^2\times 5^2\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 79213680

約数和(自身を除く): 57556080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 47, 48, 50, 60, 64, 72, 75, 80, 90, 94, 96, 100, 120, 128, 141, 144, 150, 160, 180, 188, 192, 200, 225, 235, 240, 256, 282, 288, 300, 320, 360, 376, 384, 400, 423, 450, 470, 480, 512, 564, 576, 600, 640, 705, 720, 752, 768, 800, 846, 900, 940, 960, 1024, 1128, 1152, 1175, 1200, 1280, 1410, 1440, 1504, 1536, 1600, 1692, 1800, 1880, 1920, 2048, 2115, 2256, 2304, 2350, 2400, 2560, 2820, 2880, 3008, 3072, 3200, 3384, 3525, 3600, 3760, 3840, 4230, 4512, 4608, 4700, 4800, 5120, 5640, 5760, 6016, 6144, 6400, 6768, 7050, 7200, 7520, 7680, 8460, 9024, 9216, 9400, 9600, 10240, 10575, 11280, 11520, 12032, 12800, 13536, 14100, 14400, 15040, 15360, 16920, 18048, 18432, 18800, 19200, 21150, 22560, 23040, 24064, 25600, 27072, 28200, 28800, 30080, 30720, 33840, 36096, 37600, 38400, 42300, 45120, 46080, 48128, 51200, 54144, 56400, 57600, 60160, 67680, 72192, 75200, 76800, 84600, 90240, 92160, 96256, 108288, 112800, 115200, 120320, 135360, 144384, 150400, 153600, 169200, 180480, 216576, 225600, 230400, 240640, 270720, 288768, 300800, 338400, 360960, 433152, 451200, 460800, 481280, 541440, 601600, 676800, 721920, 866304, 902400, 1082880, 1203200, 1353600, 1443840, 1804800, 2165760, 2406400, 2707200, 3609600, 4331520, 5414400, 7219200, 10828800, 21657600]

約数ペア:

[(1, 21657600), (2, 10828800), (3, 7219200), (4, 5414400), (5, 4331520), (6, 3609600), (8, 2707200), (9, 2406400), (10, 2165760), (12, 1804800), (15, 1443840), (16, 1353600), (18, 1203200), (20, 1082880), (24, 902400), (25, 866304), (30, 721920), (32, 676800), (36, 601600), (40, 541440), (45, 481280), (47, 460800), (48, 451200), (50, 433152), (60, 360960), (64, 338400), (72, 300800), (75, 288768), (80, 270720), (90, 240640), (94, 230400), (96, 225600), (100, 216576), (120, 180480), (128, 169200), (141, 153600), (144, 150400), (150, 144384), (160, 135360), (180, 120320), (188, 115200), (192, 112800), (200, 108288), (225, 96256), (235, 92160), (240, 90240), (256, 84600), (282, 76800), (288, 75200), (300, 72192), (320, 67680), (360, 60160), (376, 57600), (384, 56400), (400, 54144), (423, 51200), (450, 48128), (470, 46080), (480, 45120), (512, 42300), (564, 38400), (576, 37600), (600, 36096), (640, 33840), (705, 30720), (720, 30080), (752, 28800), (768, 28200), (800, 27072), (846, 25600), (900, 24064), (940, 23040), (960, 22560), (1024, 21150), (1128, 19200), (1152, 18800), (1175, 18432), (1200, 18048), (1280, 16920), (1410, 15360), (1440, 15040), (1504, 14400), (1536, 14100), (1600, 13536), (1692, 12800), (1800, 12032), (1880, 11520), (1920, 11280), (2048, 10575), (2115, 10240), (2256, 9600), (2304, 9400), (2350, 9216), (2400, 9024), (2560, 8460), (2820, 7680), (2880, 7520), (3008, 7200), (3072, 7050), (3200, 6768), (3384, 6400), (3525, 6144), (3600, 6016), (3760, 5760), (3840, 5640), (4230, 5120), (4512, 4800), (4608, 4700)]