20016680320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1410

約数の個数: 384

約数和(自身を含む): 61613516160

約数和(自身を除く): 41596835840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 49, 52, 56, 64, 65, 70, 74, 80, 91, 98, 104, 112, 128, 130, 140, 148, 160, 182, 185, 196, 208, 224, 245, 259, 260, 280, 296, 320, 364, 370, 392, 416, 448, 455, 481, 490, 518, 520, 560, 592, 637, 640, 728, 740, 784, 832, 896, 910, 962, 980, 1036, 1040, 1120, 1184, 1274, 1295, 1327, 1456, 1480, 1568, 1664, 1813, 1820, 1924, 1960, 2072, 2080, 2240, 2368, 2405, 2548, 2590, 2654, 2912, 2960, 3136, 3185, 3367, 3626, 3640, 3848, 3920, 4144, 4160, 4480, 4736, 4810, 5096, 5180, 5308, 5824, 5920, 6272, 6370, 6635, 6734, 7252, 7280, 7696, 7840, 8288, 8320, 9065, 9289, 9620, 10192, 10360, 10616, 11648, 11840, 12740, 13270, 13468, 14504, 14560, 15392, 15680, 16576, 16835, 17251, 18130, 18578, 19240, 20384, 20720, 21232, 23569, 23680, 25480, 26540, 26936, 29008, 29120, 30784, 31360, 33152, 33670, 34502, 36260, 37156, 38480, 40768, 41440, 42464, 46445, 47138, 49099, 50960, 53080, 53872, 58016, 58240, 61568, 65023, 67340, 69004, 72520, 74312, 76960, 81536, 82880, 84928, 86255, 92890, 94276, 98198, 101920, 106160, 107744, 116032, 117845, 120757, 130046, 134680, 138008, 145040, 148624, 153920, 165760, 169856, 172510, 185780, 188552, 196396, 203840, 212320, 215488, 232064, 235690, 241514, 245495, 260092, 269360, 276016, 290080, 297248, 307840, 325115, 343693, 345020, 371560, 377104, 392792, 407680, 424640, 430976, 471380, 483028, 490990, 520184, 538720, 552032, 580160, 594496, 603785, 638287, 650230, 687386, 690040, 743120, 754208, 785584, 845299, 849280, 942760, 966056, 981980, 1040368, 1077440, 1104064, 1160320, 1188992, 1207570, 1276574, 1300460, 1374772, 1380080, 1486240, 1508416, 1571168, 1690598, 1718465, 1885520, 1932112, 1963960, 2080736, 2154880, 2208128, 2405851, 2415140, 2553148, 2600920, 2749544, 2760160, 2972480, 3016832, 3142336, 3191435, 3381196, 3436930, 3771040, 3864224, 3927920, 4161472, 4226495, 4468009, 4811702, 4830280, 5106296, 5201840, 5499088, 5520320, 5944960, 6284672, 6382870, 6762392, 6873860, 7542080, 7728448, 7855840, 8322944, 8452990, 8936018, 9623404, 9660560, 10212592, 10403680, 10998176, 11040640, 12029255, 12765740, 13524784, 13747720, 15084160, 15456896, 15711680, 16905980, 17872036, 19246808, 19321120, 20425184, 20807360, 21996352, 22340045, 24058510, 25531480, 27049568, 27495440, 31276063, 31423360, 33811960, 35744072, 38493616, 38642240, 40850368, 41614720, 43992704, 44680090, 48117020, 51062960, 54099136, 54990880, 62552126, 67623920, 71488144, 76987232, 77284480, 81700736, 89360180, 96234040, 102125920, 108198272, 109981760, 125104252, 135247840, 142976288, 153974464, 156380315, 178720360, 192468080, 204251840, 219963520, 250208504, 270495680, 285952576, 307948928, 312760630, 357440720, 384936160, 408503680, 500417008, 540991360, 571905152, 625521260, 714881440, 769872320, 1000834016, 1251042520, 1429762880, 1539744640, 2001668032, 2502085040, 2859525760, 4003336064, 5004170080, 10008340160, 20016680320]

約数ペア:

[(1, 20016680320), (2, 10008340160), (4, 5004170080), (5, 4003336064), (7, 2859525760), (8, 2502085040), (10, 2001668032), (13, 1539744640), (14, 1429762880), (16, 1251042520), (20, 1000834016), (26, 769872320), (28, 714881440), (32, 625521260), (35, 571905152), (37, 540991360), (40, 500417008), (49, 408503680), (52, 384936160), (56, 357440720), (64, 312760630), (65, 307948928), (70, 285952576), (74, 270495680), (80, 250208504), (91, 219963520), (98, 204251840), (104, 192468080), (112, 178720360), (128, 156380315), (130, 153974464), (140, 142976288), (148, 135247840), (160, 125104252), (182, 109981760), (185, 108198272), (196, 102125920), (208, 96234040), (224, 89360180), (245, 81700736), (259, 77284480), (260, 76987232), (280, 71488144), (296, 67623920), (320, 62552126), (364, 54990880), (370, 54099136), (392, 51062960), (416, 48117020), (448, 44680090), (455, 43992704), (481, 41614720), (490, 40850368), (518, 38642240), (520, 38493616), (560, 35744072), (592, 33811960), (637, 31423360), (640, 31276063), (728, 27495440), (740, 27049568), (784, 25531480), (832, 24058510), (896, 22340045), (910, 21996352), (962, 20807360), (980, 20425184), (1036, 19321120), (1040, 19246808), (1120, 17872036), (1184, 16905980), (1274, 15711680), (1295, 15456896), (1327, 15084160), (1456, 13747720), (1480, 13524784), (1568, 12765740), (1664, 12029255), (1813, 11040640), (1820, 10998176), (1924, 10403680), (1960, 10212592), (2072, 9660560), (2080, 9623404), (2240, 8936018), (2368, 8452990), (2405, 8322944), (2548, 7855840), (2590, 7728448), (2654, 7542080), (2912, 6873860), (2960, 6762392), (3136, 6382870), (3185, 6284672), (3367, 5944960), (3626, 5520320), (3640, 5499088), (3848, 5201840), (3920, 5106296), (4144, 4830280), (4160, 4811702), (4480, 4468009), (4736, 4226495), (4810, 4161472), (5096, 3927920), (5180, 3864224), (5308, 3771040), (5824, 3436930), (5920, 3381196), (6272, 3191435), (6370, 3142336), (6635, 3016832), (6734, 2972480), (7252, 2760160), (7280, 2749544), (7696, 2600920), (7840, 2553148), (8288, 2415140), (8320, 2405851), (9065, 2208128), (9289, 2154880), (9620, 2080736), (10192, 1963960), (10360, 1932112), (10616, 1885520), (11648, 1718465), (11840, 1690598), (12740, 1571168), (13270, 1508416), (13468, 1486240), (14504, 1380080), (14560, 1374772), (15392, 1300460), (15680, 1276574), (16576, 1207570), (16835, 1188992), (17251, 1160320), (18130, 1104064), (18578, 1077440), (19240, 1040368), (20384, 981980), (20720, 966056), (21232, 942760), (23569, 849280), (23680, 845299), (25480, 785584), (26540, 754208), (26936, 743120), (29008, 690040), (29120, 687386), (30784, 650230), (31360, 638287), (33152, 603785), (33670, 594496), (34502, 580160), (36260, 552032), (37156, 538720), (38480, 520184), (40768, 490990), (41440, 483028), (42464, 471380), (46445, 430976), (47138, 424640), (49099, 407680), (50960, 392792), (53080, 377104), (53872, 371560), (58016, 345020), (58240, 343693), (61568, 325115), (65023, 307840), (67340, 297248), (69004, 290080), (72520, 276016), (74312, 269360), (76960, 260092), (81536, 245495), (82880, 241514), (84928, 235690), (86255, 232064), (92890, 215488), (94276, 212320), (98198, 203840), (101920, 196396), (106160, 188552), (107744, 185780), (116032, 172510), (117845, 169856), (120757, 165760), (130046, 153920), (134680, 148624), (138008, 145040)]