20976174720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1381}}^1$

素因数の和:1705

約数の個数: 320

約数和(自身を含む): 75219800040

約数和(自身を除く): 54243625320

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 293, 320, 324, 360, 384, 405, 432, 480, 540, 576, 586, 640, 648, 720, 810, 864, 879, 960, 1080, 1152, 1172, 1296, 1381, 1440, 1465, 1620, 1728, 1758, 1920, 2160, 2344, 2592, 2637, 2762, 2880, 2930, 3240, 3456, 3516, 4143, 4320, 4395, 4688, 5184, 5274, 5524, 5760, 5860, 6480, 6905, 7032, 7911, 8286, 8640, 8790, 9376, 10368, 10548, 11048, 11720, 12429, 12960, 13185, 13810, 14064, 15822, 16572, 17280, 17580, 18752, 20715, 21096, 22096, 23440, 23733, 24858, 25920, 26370, 27620, 28128, 31644, 33144, 35160, 37287, 37504, 39555, 41430, 42192, 44192, 46880, 47466, 49716, 51840, 52740, 55240, 56256, 62145, 63288, 66288, 70320, 74574, 79110, 82860, 84384, 88384, 93760, 94932, 99432, 105480, 110480, 111861, 112512, 118665, 124290, 126576, 132576, 140640, 149148, 158220, 165720, 168768, 176768, 186435, 187520, 189864, 198864, 210960, 220960, 223722, 237330, 248580, 253152, 265152, 281280, 298296, 316440, 331440, 337536, 372870, 379728, 397728, 404633, 421920, 441920, 447444, 474660, 497160, 506304, 530304, 559305, 562560, 596592, 632880, 662880, 745740, 759456, 795456, 809266, 843840, 883840, 894888, 949320, 994320, 1012608, 1118610, 1193184, 1213899, 1265760, 1325760, 1491480, 1518912, 1590912, 1618532, 1687680, 1789776, 1898640, 1988640, 2023165, 2237220, 2386368, 2427798, 2531520, 2651520, 2982960, 3037824, 3237064, 3579552, 3641697, 3797280, 3977280, 4046330, 4474440, 4772736, 4855596, 5063040, 5965920, 6069495, 6474128, 7159104, 7283394, 7594560, 7954560, 8092660, 8948880, 9711192, 10925091, 11931840, 12138990, 12948256, 14318208, 14566788, 15189120, 16185320, 17897760, 18208485, 19422384, 21850182, 23863680, 24277980, 25896512, 29133576, 32370640, 32775273, 35795520, 36416970, 38844768, 43700364, 48555960, 51793024, 54625455, 58267152, 64741280, 65550546, 71591040, 72833940, 77689536, 87400728, 97111920, 109250910, 116534304, 129482560, 131101092, 145667880, 155379072, 163876365, 174801456, 194223840, 218501820, 233068608, 258965120, 262202184, 291335760, 327752730, 349602912, 388447680, 437003640, 466137216, 524404368, 582671520, 655505460, 699205824, 776895360, 874007280, 1048808736, 1165343040, 1311010920, 1398411648, 1748014560, 2097617472, 2330686080, 2622021840, 3496029120, 4195234944, 5244043680, 6992058240, 10488087360, 20976174720]

約数ペア:

[(1, 20976174720), (2, 10488087360), (3, 6992058240), (4, 5244043680), (5, 4195234944), (6, 3496029120), (8, 2622021840), (9, 2330686080), (10, 2097617472), (12, 1748014560), (15, 1398411648), (16, 1311010920), (18, 1165343040), (20, 1048808736), (24, 874007280), (27, 776895360), (30, 699205824), (32, 655505460), (36, 582671520), (40, 524404368), (45, 466137216), (48, 437003640), (54, 388447680), (60, 349602912), (64, 327752730), (72, 291335760), (80, 262202184), (81, 258965120), (90, 233068608), (96, 218501820), (108, 194223840), (120, 174801456), (128, 163876365), (135, 155379072), (144, 145667880), (160, 131101092), (162, 129482560), (180, 116534304), (192, 109250910), (216, 97111920), (240, 87400728), (270, 77689536), (288, 72833940), (293, 71591040), (320, 65550546), (324, 64741280), (360, 58267152), (384, 54625455), (405, 51793024), (432, 48555960), (480, 43700364), (540, 38844768), (576, 36416970), (586, 35795520), (640, 32775273), (648, 32370640), (720, 29133576), (810, 25896512), (864, 24277980), (879, 23863680), (960, 21850182), (1080, 19422384), (1152, 18208485), (1172, 17897760), (1296, 16185320), (1381, 15189120), (1440, 14566788), (1465, 14318208), (1620, 12948256), (1728, 12138990), (1758, 11931840), (1920, 10925091), (2160, 9711192), (2344, 8948880), (2592, 8092660), (2637, 7954560), (2762, 7594560), (2880, 7283394), (2930, 7159104), (3240, 6474128), (3456, 6069495), (3516, 5965920), (4143, 5063040), (4320, 4855596), (4395, 4772736), (4688, 4474440), (5184, 4046330), (5274, 3977280), (5524, 3797280), (5760, 3641697), (5860, 3579552), (6480, 3237064), (6905, 3037824), (7032, 2982960), (7911, 2651520), (8286, 2531520), (8640, 2427798), (8790, 2386368), (9376, 2237220), (10368, 2023165), (10548, 1988640), (11048, 1898640), (11720, 1789776), (12429, 1687680), (12960, 1618532), (13185, 1590912), (13810, 1518912), (14064, 1491480), (15822, 1325760), (16572, 1265760), (17280, 1213899), (17580, 1193184), (18752, 1118610), (20715, 1012608), (21096, 994320), (22096, 949320), (23440, 894888), (23733, 883840), (24858, 843840), (25920, 809266), (26370, 795456), (27620, 759456), (28128, 745740), (31644, 662880), (33144, 632880), (35160, 596592), (37287, 562560), (37504, 559305), (39555, 530304), (41430, 506304), (42192, 497160), (44192, 474660), (46880, 447444), (47466, 441920), (49716, 421920), (51840, 404633), (52740, 397728), (55240, 379728), (56256, 372870), (62145, 337536), (63288, 331440), (66288, 316440), (70320, 298296), (74574, 281280), (79110, 265152), (82860, 253152), (84384, 248580), (88384, 237330), (93760, 223722), (94932, 220960), (99432, 210960), (105480, 198864), (110480, 189864), (111861, 187520), (112512, 186435), (118665, 176768), (124290, 168768), (126576, 165720), (132576, 158220), (140640, 149148)]