20104398720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{166207}}^1$

素因数の和:166242

約数の個数: 256

約数和(自身を含む): 81375436800

約数和(自身を除く): 61271038080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 166207, 332414, 498621, 664828, 831035, 997242, 1163449, 1329656, 1495863, 1662070, 1994484, 2326898, 2493105, 2659312, 2991726, 3324140, 3490347, 3988968, 4487589, 4653796, 4986210, 5318624, 5817245, 5983452, 6648280, 6980694, 7479315, 7977936, 8975178, 9307592, 9972420, 10471041, 10637248, 11634490, 11966904, 13296560, 13961388, 14958630, 15955872, 17451735, 17950356, 18615184, 19944840, 20942082, 21274496, 22437945, 23268980, 23933808, 26593120, 27922776, 29917260, 31413123, 31911744, 34903470, 35900712, 37230368, 39889680, 41884164, 44875890, 46537960, 47867616, 52355205, 53186240, 55845552, 59834520, 62826246, 63823488, 69806940, 71801424, 74460736, 79779360, 83768328, 89751780, 93075920, 95735232, 104710410, 106372480, 111691104, 119669040, 125652492, 139613880, 143602848, 148921472, 157065615, 159558720, 167536656, 179503560, 186151840, 191470464, 209420820, 223382208, 239338080, 251304984, 279227760, 287205696, 314131230, 319117440, 335073312, 359007120, 372303680, 418841640, 446764416, 478676160, 502609968, 558455520, 574411392, 628262460, 670146624, 718014240, 744607360, 837683280, 957352320, 1005219936, 1116911040, 1256524920, 1340293248, 1436028480, 1675366560, 2010439872, 2233822080, 2513049840, 2872056960, 3350733120, 4020879744, 5026099680, 6701466240, 10052199360, 20104398720]

約数ペア:

[(1, 20104398720), (2, 10052199360), (3, 6701466240), (4, 5026099680), (5, 4020879744), (6, 3350733120), (7, 2872056960), (8, 2513049840), (9, 2233822080), (10, 2010439872), (12, 1675366560), (14, 1436028480), (15, 1340293248), (16, 1256524920), (18, 1116911040), (20, 1005219936), (21, 957352320), (24, 837683280), (27, 744607360), (28, 718014240), (30, 670146624), (32, 628262460), (35, 574411392), (36, 558455520), (40, 502609968), (42, 478676160), (45, 446764416), (48, 418841640), (54, 372303680), (56, 359007120), (60, 335073312), (63, 319117440), (64, 314131230), (70, 287205696), (72, 279227760), (80, 251304984), (84, 239338080), (90, 223382208), (96, 209420820), (105, 191470464), (108, 186151840), (112, 179503560), (120, 167536656), (126, 159558720), (128, 157065615), (135, 148921472), (140, 143602848), (144, 139613880), (160, 125652492), (168, 119669040), (180, 111691104), (189, 106372480), (192, 104710410), (210, 95735232), (216, 93075920), (224, 89751780), (240, 83768328), (252, 79779360), (270, 74460736), (280, 71801424), (288, 69806940), (315, 63823488), (320, 62826246), (336, 59834520), (360, 55845552), (378, 53186240), (384, 52355205), (420, 47867616), (432, 46537960), (448, 44875890), (480, 41884164), (504, 39889680), (540, 37230368), (560, 35900712), (576, 34903470), (630, 31911744), (640, 31413123), (672, 29917260), (720, 27922776), (756, 26593120), (840, 23933808), (864, 23268980), (896, 22437945), (945, 21274496), (960, 20942082), (1008, 19944840), (1080, 18615184), (1120, 17950356), (1152, 17451735), (1260, 15955872), (1344, 14958630), (1440, 13961388), (1512, 13296560), (1680, 11966904), (1728, 11634490), (1890, 10637248), (1920, 10471041), (2016, 9972420), (2160, 9307592), (2240, 8975178), (2520, 7977936), (2688, 7479315), (2880, 6980694), (3024, 6648280), (3360, 5983452), (3456, 5817245), (3780, 5318624), (4032, 4986210), (4320, 4653796), (4480, 4487589), (5040, 3988968), (5760, 3490347), (6048, 3324140), (6720, 2991726), (7560, 2659312), (8064, 2493105), (8640, 2326898), (10080, 1994484), (12096, 1662070), (13440, 1495863), (15120, 1329656), (17280, 1163449), (20160, 997242), (24192, 831035), (30240, 664828), (40320, 498621), (60480, 332414), (120960, 166207)]