20851200

素因数分解:

$2^9\times 3^2\times 5^2\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 180

約数和(自身を含む): 75032958

約数和(自身を除く): 54181758

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, 128, 144, 150, 160, 180, 181, 192, 200, 225, 240, 256, 288, 300, 320, 360, 362, 384, 400, 450, 480, 512, 543, 576, 600, 640, 720, 724, 768, 800, 900, 905, 960, 1086, 1152, 1200, 1280, 1440, 1448, 1536, 1600, 1629, 1800, 1810, 1920, 2172, 2304, 2400, 2560, 2715, 2880, 2896, 3200, 3258, 3600, 3620, 3840, 4344, 4525, 4608, 4800, 5430, 5760, 5792, 6400, 6516, 7200, 7240, 7680, 8145, 8688, 9050, 9600, 10860, 11520, 11584, 12800, 13032, 13575, 14400, 14480, 16290, 17376, 18100, 19200, 21720, 23040, 23168, 26064, 27150, 28800, 28960, 32580, 34752, 36200, 38400, 40725, 43440, 46336, 52128, 54300, 57600, 57920, 65160, 69504, 72400, 81450, 86880, 92672, 104256, 108600, 115200, 115840, 130320, 139008, 144800, 162900, 173760, 208512, 217200, 231680, 260640, 278016, 289600, 325800, 347520, 417024, 434400, 463360, 521280, 579200, 651600, 695040, 834048, 868800, 1042560, 1158400, 1303200, 1390080, 1737600, 2085120, 2316800, 2606400, 3475200, 4170240, 5212800, 6950400, 10425600, 20851200]

約数ペア:

[(1, 20851200), (2, 10425600), (3, 6950400), (4, 5212800), (5, 4170240), (6, 3475200), (8, 2606400), (9, 2316800), (10, 2085120), (12, 1737600), (15, 1390080), (16, 1303200), (18, 1158400), (20, 1042560), (24, 868800), (25, 834048), (30, 695040), (32, 651600), (36, 579200), (40, 521280), (45, 463360), (48, 434400), (50, 417024), (60, 347520), (64, 325800), (72, 289600), (75, 278016), (80, 260640), (90, 231680), (96, 217200), (100, 208512), (120, 173760), (128, 162900), (144, 144800), (150, 139008), (160, 130320), (180, 115840), (181, 115200), (192, 108600), (200, 104256), (225, 92672), (240, 86880), (256, 81450), (288, 72400), (300, 69504), (320, 65160), (360, 57920), (362, 57600), (384, 54300), (400, 52128), (450, 46336), (480, 43440), (512, 40725), (543, 38400), (576, 36200), (600, 34752), (640, 32580), (720, 28960), (724, 28800), (768, 27150), (800, 26064), (900, 23168), (905, 23040), (960, 21720), (1086, 19200), (1152, 18100), (1200, 17376), (1280, 16290), (1440, 14480), (1448, 14400), (1536, 13575), (1600, 13032), (1629, 12800), (1800, 11584), (1810, 11520), (1920, 10860), (2172, 9600), (2304, 9050), (2400, 8688), (2560, 8145), (2715, 7680), (2880, 7240), (2896, 7200), (3200, 6516), (3258, 6400), (3600, 5792), (3620, 5760), (3840, 5430), (4344, 4800), (4525, 4608)]