19814400

素因数分解:

$2^{11}\times 3^2\times 5^2\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 72612540

約数和(自身を除く): 52798140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 64, 72, 75, 80, 86, 90, 96, 100, 120, 128, 129, 144, 150, 160, 172, 180, 192, 200, 215, 225, 240, 256, 258, 288, 300, 320, 344, 360, 384, 387, 400, 430, 450, 480, 512, 516, 576, 600, 640, 645, 688, 720, 768, 774, 800, 860, 900, 960, 1024, 1032, 1075, 1152, 1200, 1280, 1290, 1376, 1440, 1536, 1548, 1600, 1720, 1800, 1920, 1935, 2048, 2064, 2150, 2304, 2400, 2560, 2580, 2752, 2880, 3072, 3096, 3200, 3225, 3440, 3600, 3840, 3870, 4128, 4300, 4608, 4800, 5120, 5160, 5504, 5760, 6144, 6192, 6400, 6450, 6880, 7200, 7680, 7740, 8256, 8600, 9216, 9600, 9675, 10240, 10320, 11008, 11520, 12384, 12800, 12900, 13760, 14400, 15360, 15480, 16512, 17200, 18432, 19200, 19350, 20640, 22016, 23040, 24768, 25600, 25800, 27520, 28800, 30720, 30960, 33024, 34400, 38400, 38700, 41280, 44032, 46080, 49536, 51200, 51600, 55040, 57600, 61920, 66048, 68800, 76800, 77400, 82560, 88064, 92160, 99072, 103200, 110080, 115200, 123840, 132096, 137600, 153600, 154800, 165120, 198144, 206400, 220160, 230400, 247680, 264192, 275200, 309600, 330240, 396288, 412800, 440320, 460800, 495360, 550400, 619200, 660480, 792576, 825600, 990720, 1100800, 1238400, 1320960, 1651200, 1981440, 2201600, 2476800, 3302400, 3962880, 4953600, 6604800, 9907200, 19814400]

約数ペア:

[(1, 19814400), (2, 9907200), (3, 6604800), (4, 4953600), (5, 3962880), (6, 3302400), (8, 2476800), (9, 2201600), (10, 1981440), (12, 1651200), (15, 1320960), (16, 1238400), (18, 1100800), (20, 990720), (24, 825600), (25, 792576), (30, 660480), (32, 619200), (36, 550400), (40, 495360), (43, 460800), (45, 440320), (48, 412800), (50, 396288), (60, 330240), (64, 309600), (72, 275200), (75, 264192), (80, 247680), (86, 230400), (90, 220160), (96, 206400), (100, 198144), (120, 165120), (128, 154800), (129, 153600), (144, 137600), (150, 132096), (160, 123840), (172, 115200), (180, 110080), (192, 103200), (200, 99072), (215, 92160), (225, 88064), (240, 82560), (256, 77400), (258, 76800), (288, 68800), (300, 66048), (320, 61920), (344, 57600), (360, 55040), (384, 51600), (387, 51200), (400, 49536), (430, 46080), (450, 44032), (480, 41280), (512, 38700), (516, 38400), (576, 34400), (600, 33024), (640, 30960), (645, 30720), (688, 28800), (720, 27520), (768, 25800), (774, 25600), (800, 24768), (860, 23040), (900, 22016), (960, 20640), (1024, 19350), (1032, 19200), (1075, 18432), (1152, 17200), (1200, 16512), (1280, 15480), (1290, 15360), (1376, 14400), (1440, 13760), (1536, 12900), (1548, 12800), (1600, 12384), (1720, 11520), (1800, 11008), (1920, 10320), (1935, 10240), (2048, 9675), (2064, 9600), (2150, 9216), (2304, 8600), (2400, 8256), (2560, 7740), (2580, 7680), (2752, 7200), (2880, 6880), (3072, 6450), (3096, 6400), (3200, 6192), (3225, 6144), (3440, 5760), (3600, 5504), (3840, 5160), (3870, 5120), (4128, 4800), (4300, 4608)]