21728164080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 480

約数和(自身を含む): 81122093568

約数和(自身を除く): 59393929488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 53, 56, 60, 70, 71, 80, 84, 98, 105, 106, 112, 120, 140, 142, 147, 159, 168, 196, 210, 212, 213, 240, 245, 265, 280, 284, 294, 318, 336, 355, 371, 392, 420, 424, 426, 490, 491, 497, 530, 560, 568, 588, 636, 710, 735, 742, 784, 795, 840, 848, 852, 980, 982, 994, 1060, 1065, 1113, 1136, 1176, 1272, 1420, 1470, 1473, 1484, 1491, 1590, 1680, 1704, 1855, 1960, 1964, 1988, 2120, 2130, 2226, 2352, 2455, 2485, 2544, 2597, 2840, 2940, 2946, 2968, 2982, 3180, 3408, 3437, 3479, 3710, 3763, 3920, 3928, 3976, 4240, 4260, 4452, 4910, 4970, 5194, 5565, 5680, 5880, 5892, 5936, 5964, 6360, 6874, 6958, 7365, 7420, 7455, 7526, 7791, 7856, 7952, 8520, 8904, 9820, 9940, 10311, 10388, 10437, 11130, 11289, 11760, 11784, 11928, 12720, 12985, 13748, 13916, 14730, 14840, 14910, 15052, 15582, 17040, 17185, 17395, 17808, 18815, 19640, 19880, 20622, 20776, 20874, 22260, 22578, 23568, 23856, 24059, 25970, 26023, 26341, 27496, 27832, 29460, 29680, 29820, 30104, 31164, 34370, 34790, 34861, 37630, 38955, 39280, 39760, 41244, 41552, 41748, 44520, 45156, 48118, 51555, 51940, 52046, 52185, 52682, 54992, 55664, 56445, 58920, 59640, 60208, 62328, 68740, 69580, 69722, 72177, 75260, 77910, 78069, 79023, 82488, 83496, 89040, 90312, 96236, 103110, 103880, 104092, 104370, 104583, 105364, 112890, 117840, 119280, 120295, 124656, 130115, 131705, 137480, 139160, 139444, 144354, 150520, 155820, 156138, 158046, 164976, 166992, 174305, 180624, 182161, 184387, 192472, 206220, 207760, 208184, 208740, 209166, 210728, 225780, 240590, 244027, 260230, 263410, 274960, 278320, 278888, 288708, 301040, 311640, 312276, 316092, 348610, 360885, 364322, 368774, 384944, 390345, 395115, 412440, 416368, 417480, 418332, 421456, 451560, 481180, 488054, 520460, 522915, 526820, 546483, 553161, 557776, 577416, 623280, 624552, 632184, 697220, 721770, 728644, 732081, 737548, 780690, 790230, 824880, 834960, 836664, 903120, 910805, 921935, 962360, 976108, 1040920, 1045830, 1053640, 1092966, 1106322, 1154832, 1220135, 1249104, 1264368, 1275127, 1394440, 1443540, 1457288, 1464162, 1475096, 1561380, 1580460, 1673328, 1708189, 1821610, 1843870, 1847633, 1924720, 1952216, 2081840, 2091660, 2107280, 2185932, 2212644, 2440270, 2550254, 2732415, 2765805, 2788880, 2887080, 2914576, 2928324, 2950192, 3122760, 3160920, 3416378, 3643220, 3660405, 3687740, 3695266, 3825381, 3904432, 4183320, 4371864, 4425288, 4880540, 5100508, 5124567, 5464830, 5531610, 5542899, 5774160, 5856648, 6245520, 6321840, 6375635, 6832756, 7286440, 7320810, 7375480, 7390532, 7650762, 8366640, 8540945, 8743728, 8850576, 9238165, 9761080, 10201016, 10249134, 10929660, 11063220, 11085798, 11713296, 12751270, 12933431, 13665512, 14572880, 14641620, 14750960, 14781064, 15301524, 17081890, 18476330, 19126905, 19522160, 20402032, 20498268, 21859320, 22126440, 22171596, 25502540, 25622835, 25866862, 27331024, 27714495, 29283240, 29562128, 30603048, 34163780, 36952660, 38253810, 38800293, 40996536, 43718640, 44252880, 44343192, 51005080, 51245670, 51733724, 55428990, 58566480, 61206096, 64667155, 68327560, 73905320, 76507620, 77600586, 81993072, 88686384, 90534017, 102010160, 102491340, 103467448, 110857980, 129334310, 136655120, 147810640, 153015240, 155201172, 181068034, 194001465, 204982680, 206934896, 221715960, 258668620, 271602051, 306030480, 310402344, 362136068, 388002930, 409965360, 443431920, 452670085, 517337240, 543204102, 620804688, 724272136, 776005860, 905340170, 1034674480, 1086408204, 1358010255, 1448544272, 1552011720, 1810680340, 2172816408, 2716020510, 3104023440, 3621360680, 4345632816, 5432041020, 7242721360, 10864082040, 21728164080]

約数ペア:

[(1, 21728164080), (2, 10864082040), (3, 7242721360), (4, 5432041020), (5, 4345632816), (6, 3621360680), (7, 3104023440), (8, 2716020510), (10, 2172816408), (12, 1810680340), (14, 1552011720), (15, 1448544272), (16, 1358010255), (20, 1086408204), (21, 1034674480), (24, 905340170), (28, 776005860), (30, 724272136), (35, 620804688), (40, 543204102), (42, 517337240), (48, 452670085), (49, 443431920), (53, 409965360), (56, 388002930), (60, 362136068), (70, 310402344), (71, 306030480), (80, 271602051), (84, 258668620), (98, 221715960), (105, 206934896), (106, 204982680), (112, 194001465), (120, 181068034), (140, 155201172), (142, 153015240), (147, 147810640), (159, 136655120), (168, 129334310), (196, 110857980), (210, 103467448), (212, 102491340), (213, 102010160), (240, 90534017), (245, 88686384), (265, 81993072), (280, 77600586), (284, 76507620), (294, 73905320), (318, 68327560), (336, 64667155), (355, 61206096), (371, 58566480), (392, 55428990), (420, 51733724), (424, 51245670), (426, 51005080), (490, 44343192), (491, 44252880), (497, 43718640), (530, 40996536), (560, 38800293), (568, 38253810), (588, 36952660), (636, 34163780), (710, 30603048), (735, 29562128), (742, 29283240), (784, 27714495), (795, 27331024), (840, 25866862), (848, 25622835), (852, 25502540), (980, 22171596), (982, 22126440), (994, 21859320), (1060, 20498268), (1065, 20402032), (1113, 19522160), (1136, 19126905), (1176, 18476330), (1272, 17081890), (1420, 15301524), (1470, 14781064), (1473, 14750960), (1484, 14641620), (1491, 14572880), (1590, 13665512), (1680, 12933431), (1704, 12751270), (1855, 11713296), (1960, 11085798), (1964, 11063220), (1988, 10929660), (2120, 10249134), (2130, 10201016), (2226, 9761080), (2352, 9238165), (2455, 8850576), (2485, 8743728), (2544, 8540945), (2597, 8366640), (2840, 7650762), (2940, 7390532), (2946, 7375480), (2968, 7320810), (2982, 7286440), (3180, 6832756), (3408, 6375635), (3437, 6321840), (3479, 6245520), (3710, 5856648), (3763, 5774160), (3920, 5542899), (3928, 5531610), (3976, 5464830), (4240, 5124567), (4260, 5100508), (4452, 4880540), (4910, 4425288), (4970, 4371864), (5194, 4183320), (5565, 3904432), (5680, 3825381), (5880, 3695266), (5892, 3687740), (5936, 3660405), (5964, 3643220), (6360, 3416378), (6874, 3160920), (6958, 3122760), (7365, 2950192), (7420, 2928324), (7455, 2914576), (7526, 2887080), (7791, 2788880), (7856, 2765805), (7952, 2732415), (8520, 2550254), (8904, 2440270), (9820, 2212644), (9940, 2185932), (10311, 2107280), (10388, 2091660), (10437, 2081840), (11130, 1952216), (11289, 1924720), (11760, 1847633), (11784, 1843870), (11928, 1821610), (12720, 1708189), (12985, 1673328), (13748, 1580460), (13916, 1561380), (14730, 1475096), (14840, 1464162), (14910, 1457288), (15052, 1443540), (15582, 1394440), (17040, 1275127), (17185, 1264368), (17395, 1249104), (17808, 1220135), (18815, 1154832), (19640, 1106322), (19880, 1092966), (20622, 1053640), (20776, 1045830), (20874, 1040920), (22260, 976108), (22578, 962360), (23568, 921935), (23856, 910805), (24059, 903120), (25970, 836664), (26023, 834960), (26341, 824880), (27496, 790230), (27832, 780690), (29460, 737548), (29680, 732081), (29820, 728644), (30104, 721770), (31164, 697220), (34370, 632184), (34790, 624552), (34861, 623280), (37630, 577416), (38955, 557776), (39280, 553161), (39760, 546483), (41244, 526820), (41552, 522915), (41748, 520460), (44520, 488054), (45156, 481180), (48118, 451560), (51555, 421456), (51940, 418332), (52046, 417480), (52185, 416368), (52682, 412440), (54992, 395115), (55664, 390345), (56445, 384944), (58920, 368774), (59640, 364322), (60208, 360885), (62328, 348610), (68740, 316092), (69580, 312276), (69722, 311640), (72177, 301040), (75260, 288708), (77910, 278888), (78069, 278320), (79023, 274960), (82488, 263410), (83496, 260230), (89040, 244027), (90312, 240590), (96236, 225780), (103110, 210728), (103880, 209166), (104092, 208740), (104370, 208184), (104583, 207760), (105364, 206220), (112890, 192472), (117840, 184387), (119280, 182161), (120295, 180624), (124656, 174305), (130115, 166992), (131705, 164976), (137480, 158046), (139160, 156138), (139444, 155820), (144354, 150520)]