20169479520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21319}}^1$

素因数の和:21419

約数の個数: 240

約数和(自身を含む): 72159927840

約数和(自身を除く): 51990448320

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, 72, 73, 80, 81, 90, 96, 108, 120, 135, 144, 146, 160, 162, 180, 216, 219, 240, 270, 288, 292, 324, 360, 365, 405, 432, 438, 480, 540, 584, 648, 657, 720, 730, 810, 864, 876, 1080, 1095, 1168, 1296, 1314, 1440, 1460, 1620, 1752, 1971, 2160, 2190, 2336, 2592, 2628, 2920, 3240, 3285, 3504, 3942, 4320, 4380, 5256, 5840, 5913, 6480, 6570, 7008, 7884, 8760, 9855, 10512, 11680, 11826, 12960, 13140, 15768, 17520, 19710, 21024, 21319, 23652, 26280, 29565, 31536, 35040, 39420, 42638, 47304, 52560, 59130, 63072, 63957, 78840, 85276, 94608, 105120, 106595, 118260, 127914, 157680, 170552, 189216, 191871, 213190, 236520, 255828, 315360, 319785, 341104, 383742, 426380, 473040, 511656, 575613, 639570, 682208, 767484, 852760, 946080, 959355, 1023312, 1151226, 1279140, 1534968, 1556287, 1705520, 1726839, 1918710, 2046624, 2302452, 2558280, 2878065, 3069936, 3112574, 3411040, 3453678, 3837420, 4604904, 4668861, 5116560, 5756130, 6139872, 6225148, 6907356, 7674840, 7781435, 8634195, 9209808, 9337722, 10233120, 11512260, 12450296, 13814712, 14006583, 15349680, 15562870, 17268390, 18419616, 18675444, 23024520, 23344305, 24900592, 27629424, 28013166, 30699360, 31125740, 34536780, 37350888, 42019749, 46049040, 46688610, 49801184, 55258848, 56026332, 62251480, 69073560, 70032915, 74701776, 84039498, 92098080, 93377220, 112052664, 124502960, 126059247, 138147120, 140065830, 149403552, 168078996, 186754440, 210098745, 224105328, 249005920, 252118494, 276294240, 280131660, 336157992, 373508880, 420197490, 448210656, 504236988, 560263320, 630296235, 672315984, 747017760, 840394980, 1008473976, 1120526640, 1260592470, 1344631968, 1680789960, 2016947952, 2241053280, 2521184940, 3361579920, 4033895904, 5042369880, 6723159840, 10084739760, 20169479520]

約数ペア:

[(1, 20169479520), (2, 10084739760), (3, 6723159840), (4, 5042369880), (5, 4033895904), (6, 3361579920), (8, 2521184940), (9, 2241053280), (10, 2016947952), (12, 1680789960), (15, 1344631968), (16, 1260592470), (18, 1120526640), (20, 1008473976), (24, 840394980), (27, 747017760), (30, 672315984), (32, 630296235), (36, 560263320), (40, 504236988), (45, 448210656), (48, 420197490), (54, 373508880), (60, 336157992), (72, 280131660), (73, 276294240), (80, 252118494), (81, 249005920), (90, 224105328), (96, 210098745), (108, 186754440), (120, 168078996), (135, 149403552), (144, 140065830), (146, 138147120), (160, 126059247), (162, 124502960), (180, 112052664), (216, 93377220), (219, 92098080), (240, 84039498), (270, 74701776), (288, 70032915), (292, 69073560), (324, 62251480), (360, 56026332), (365, 55258848), (405, 49801184), (432, 46688610), (438, 46049040), (480, 42019749), (540, 37350888), (584, 34536780), (648, 31125740), (657, 30699360), (720, 28013166), (730, 27629424), (810, 24900592), (864, 23344305), (876, 23024520), (1080, 18675444), (1095, 18419616), (1168, 17268390), (1296, 15562870), (1314, 15349680), (1440, 14006583), (1460, 13814712), (1620, 12450296), (1752, 11512260), (1971, 10233120), (2160, 9337722), (2190, 9209808), (2336, 8634195), (2592, 7781435), (2628, 7674840), (2920, 6907356), (3240, 6225148), (3285, 6139872), (3504, 5756130), (3942, 5116560), (4320, 4668861), (4380, 4604904), (5256, 3837420), (5840, 3453678), (5913, 3411040), (6480, 3112574), (6570, 3069936), (7008, 2878065), (7884, 2558280), (8760, 2302452), (9855, 2046624), (10512, 1918710), (11680, 1726839), (11826, 1705520), (12960, 1556287), (13140, 1534968), (15768, 1279140), (17520, 1151226), (19710, 1023312), (21024, 959355), (21319, 946080), (23652, 852760), (26280, 767484), (29565, 682208), (31536, 639570), (35040, 575613), (39420, 511656), (42638, 473040), (47304, 426380), (52560, 383742), (59130, 341104), (63072, 319785), (63957, 315360), (78840, 255828), (85276, 236520), (94608, 213190), (105120, 191871), (106595, 189216), (118260, 170552), (127914, 157680)]