20404811520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4507}}^1$

素因数の和:4668

約数の個数: 288

約数和(自身を含む): 72977667840

約数和(自身を除く): 52572856320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 131, 135, 144, 160, 180, 192, 216, 240, 256, 262, 270, 288, 320, 360, 384, 393, 432, 480, 524, 540, 576, 640, 655, 720, 768, 786, 864, 960, 1048, 1080, 1152, 1179, 1280, 1310, 1440, 1572, 1728, 1920, 1965, 2096, 2160, 2304, 2358, 2620, 2880, 3144, 3456, 3537, 3840, 3930, 4192, 4320, 4507, 4716, 5240, 5760, 5895, 6288, 6912, 7074, 7860, 8384, 8640, 9014, 9432, 10480, 11520, 11790, 12576, 13521, 14148, 15720, 16768, 17280, 17685, 18028, 18864, 20960, 22535, 23580, 25152, 27042, 28296, 31440, 33536, 34560, 35370, 36056, 37728, 40563, 41920, 45070, 47160, 50304, 54084, 56592, 62880, 67605, 70740, 72112, 75456, 81126, 83840, 90140, 94320, 100608, 108168, 113184, 121689, 125760, 135210, 141480, 144224, 150912, 162252, 167680, 180280, 188640, 202815, 216336, 226368, 243378, 251520, 270420, 282960, 288448, 301824, 324504, 360560, 377280, 405630, 432672, 452736, 486756, 503040, 540840, 565920, 576896, 590417, 608445, 649008, 721120, 754560, 811260, 865344, 905472, 973512, 1081680, 1131840, 1153792, 1180834, 1216890, 1298016, 1442240, 1509120, 1622520, 1730688, 1771251, 1947024, 2163360, 2263680, 2361668, 2433780, 2596032, 2884480, 2952085, 3245040, 3461376, 3542502, 3894048, 4326720, 4527360, 4723336, 4867560, 5192064, 5313753, 5768960, 5904170, 6490080, 7085004, 7788096, 8653440, 8856255, 9446672, 9735120, 10384128, 10627506, 11808340, 12980160, 14170008, 15576192, 15941259, 17306880, 17712510, 18893344, 19470240, 21255012, 23616680, 25960320, 26568765, 28340016, 31152384, 31882518, 35425020, 37786688, 38940480, 42510024, 47233360, 51920640, 53137530, 56680032, 63765036, 70850040, 75573376, 77880960, 79706295, 85020048, 94466720, 106275060, 113360064, 127530072, 141700080, 151146752, 155761920, 159412590, 170040096, 188933440, 212550120, 226720128, 255060144, 283400160, 318825180, 340080192, 377866880, 425100240, 453440256, 510120288, 566800320, 637650360, 680160384, 755733760, 850200480, 1020240576, 1133600640, 1275300720, 1360320768, 1700400960, 2040481152, 2267201280, 2550601440, 3400801920, 4080962304, 5101202880, 6801603840, 10202405760, 20404811520]

約数ペア:

[(1, 20404811520), (2, 10202405760), (3, 6801603840), (4, 5101202880), (5, 4080962304), (6, 3400801920), (8, 2550601440), (9, 2267201280), (10, 2040481152), (12, 1700400960), (15, 1360320768), (16, 1275300720), (18, 1133600640), (20, 1020240576), (24, 850200480), (27, 755733760), (30, 680160384), (32, 637650360), (36, 566800320), (40, 510120288), (45, 453440256), (48, 425100240), (54, 377866880), (60, 340080192), (64, 318825180), (72, 283400160), (80, 255060144), (90, 226720128), (96, 212550120), (108, 188933440), (120, 170040096), (128, 159412590), (131, 155761920), (135, 151146752), (144, 141700080), (160, 127530072), (180, 113360064), (192, 106275060), (216, 94466720), (240, 85020048), (256, 79706295), (262, 77880960), (270, 75573376), (288, 70850040), (320, 63765036), (360, 56680032), (384, 53137530), (393, 51920640), (432, 47233360), (480, 42510024), (524, 38940480), (540, 37786688), (576, 35425020), (640, 31882518), (655, 31152384), (720, 28340016), (768, 26568765), (786, 25960320), (864, 23616680), (960, 21255012), (1048, 19470240), (1080, 18893344), (1152, 17712510), (1179, 17306880), (1280, 15941259), (1310, 15576192), (1440, 14170008), (1572, 12980160), (1728, 11808340), (1920, 10627506), (1965, 10384128), (2096, 9735120), (2160, 9446672), (2304, 8856255), (2358, 8653440), (2620, 7788096), (2880, 7085004), (3144, 6490080), (3456, 5904170), (3537, 5768960), (3840, 5313753), (3930, 5192064), (4192, 4867560), (4320, 4723336), (4507, 4527360), (4716, 4326720), (5240, 3894048), (5760, 3542502), (5895, 3461376), (6288, 3245040), (6912, 2952085), (7074, 2884480), (7860, 2596032), (8384, 2433780), (8640, 2361668), (9014, 2263680), (9432, 2163360), (10480, 1947024), (11520, 1771251), (11790, 1730688), (12576, 1622520), (13521, 1509120), (14148, 1442240), (15720, 1298016), (16768, 1216890), (17280, 1180834), (17685, 1153792), (18028, 1131840), (18864, 1081680), (20960, 973512), (22535, 905472), (23580, 865344), (25152, 811260), (27042, 754560), (28296, 721120), (31440, 649008), (33536, 608445), (34560, 590417), (35370, 576896), (36056, 565920), (37728, 540840), (40563, 503040), (41920, 486756), (45070, 452736), (47160, 432672), (50304, 405630), (54084, 377280), (56592, 360560), (62880, 324504), (67605, 301824), (70740, 288448), (72112, 282960), (75456, 270420), (81126, 251520), (83840, 243378), (90140, 226368), (94320, 216336), (100608, 202815), (108168, 188640), (113184, 180280), (121689, 167680), (125760, 162252), (135210, 150912), (141480, 144224)]