20210353920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1052

約数の個数: 432

約数和(自身を含む): 73925429760

約数和(自身を除く): 53715075840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 83, 90, 92, 96, 115, 120, 128, 138, 144, 160, 166, 180, 184, 192, 207, 230, 240, 249, 256, 276, 288, 320, 332, 345, 360, 368, 384, 414, 415, 460, 480, 498, 552, 576, 640, 664, 690, 720, 736, 747, 768, 828, 830, 919, 920, 960, 996, 1035, 1104, 1152, 1245, 1280, 1328, 1380, 1440, 1472, 1494, 1656, 1660, 1838, 1840, 1909, 1920, 1992, 2070, 2208, 2304, 2490, 2656, 2757, 2760, 2880, 2944, 2988, 3312, 3320, 3676, 3680, 3735, 3818, 3840, 3984, 4140, 4416, 4595, 4980, 5312, 5514, 5520, 5727, 5760, 5888, 5976, 6624, 6640, 7352, 7360, 7470, 7636, 7968, 8271, 8280, 8832, 9190, 9545, 9960, 10624, 11028, 11040, 11454, 11520, 11952, 13248, 13280, 13785, 14704, 14720, 14940, 15272, 15936, 16542, 16560, 17181, 17664, 18380, 19090, 19920, 21137, 21248, 22056, 22080, 22908, 23904, 26496, 26560, 27570, 28635, 29408, 29440, 29880, 30544, 31872, 33084, 33120, 34362, 36760, 38180, 39840, 41355, 42274, 44112, 44160, 45816, 47808, 52992, 53120, 55140, 57270, 58816, 59760, 61088, 63411, 63744, 66168, 66240, 68724, 73520, 76277, 76360, 79680, 82710, 84548, 85905, 88224, 88320, 91632, 95616, 105685, 106240, 110280, 114540, 117632, 119520, 122176, 126822, 132336, 132480, 137448, 147040, 152554, 152720, 159360, 165420, 169096, 171810, 176448, 183264, 190233, 191232, 211370, 220560, 228831, 229080, 235264, 239040, 244352, 253644, 264672, 264960, 274896, 294080, 305108, 305440, 317055, 318720, 330840, 338192, 343620, 352896, 366528, 380466, 381385, 422740, 441120, 457662, 458160, 478080, 488704, 507288, 529344, 549792, 588160, 610216, 610880, 634110, 661680, 676384, 686493, 687240, 705792, 733056, 760932, 762770, 845480, 882240, 915324, 916320, 951165, 956160, 1014576, 1058688, 1099584, 1144155, 1176320, 1220432, 1221760, 1268220, 1323360, 1352768, 1372986, 1374480, 1466112, 1521864, 1525540, 1690960, 1754371, 1764480, 1830648, 1832640, 1902330, 2029152, 2117376, 2199168, 2288310, 2440864, 2443520, 2536440, 2646720, 2705536, 2745972, 2748960, 3043728, 3051080, 3381920, 3432465, 3508742, 3528960, 3661296, 3665280, 3804660, 4058304, 4398336, 4576620, 4881728, 5072880, 5263113, 5293440, 5411072, 5491944, 5497920, 6087456, 6102160, 6763840, 6864930, 7017484, 7322592, 7330560, 7609320, 8116608, 8771855, 9153240, 9763456, 10145760, 10526226, 10586880, 10983888, 10995840, 12174912, 12204320, 13527680, 13729860, 14034968, 14645184, 15218640, 15789339, 16233216, 17543710, 18306480, 19526912, 20291520, 21052452, 21967776, 21991680, 24349824, 24408640, 26315565, 27055360, 27459720, 28069936, 29290368, 30437280, 31578678, 35087420, 36612960, 40583040, 42104904, 43935552, 48699648, 48817280, 52631130, 54919440, 56139872, 58580736, 60874560, 63157356, 70174840, 73225920, 78946695, 81166080, 84209808, 87871104, 97634560, 105262260, 109838880, 112279744, 121749120, 126314712, 140349680, 146451840, 157893390, 168419616, 175742208, 210524520, 219677760, 224559488, 243498240, 252629424, 280699360, 292903680, 315786780, 336839232, 421049040, 439355520, 449118976, 505258848, 561398720, 631573560, 673678464, 842098080, 878711040, 1010517696, 1122797440, 1263147120, 1347356928, 1684196160, 2021035392, 2245594880, 2526294240, 3368392320, 4042070784, 5052588480, 6736784640, 10105176960, 20210353920]

約数ペア:

[(1, 20210353920), (2, 10105176960), (3, 6736784640), (4, 5052588480), (5, 4042070784), (6, 3368392320), (8, 2526294240), (9, 2245594880), (10, 2021035392), (12, 1684196160), (15, 1347356928), (16, 1263147120), (18, 1122797440), (20, 1010517696), (23, 878711040), (24, 842098080), (30, 673678464), (32, 631573560), (36, 561398720), (40, 505258848), (45, 449118976), (46, 439355520), (48, 421049040), (60, 336839232), (64, 315786780), (69, 292903680), (72, 280699360), (80, 252629424), (83, 243498240), (90, 224559488), (92, 219677760), (96, 210524520), (115, 175742208), (120, 168419616), (128, 157893390), (138, 146451840), (144, 140349680), (160, 126314712), (166, 121749120), (180, 112279744), (184, 109838880), (192, 105262260), (207, 97634560), (230, 87871104), (240, 84209808), (249, 81166080), (256, 78946695), (276, 73225920), (288, 70174840), (320, 63157356), (332, 60874560), (345, 58580736), (360, 56139872), (368, 54919440), (384, 52631130), (414, 48817280), (415, 48699648), (460, 43935552), (480, 42104904), (498, 40583040), (552, 36612960), (576, 35087420), (640, 31578678), (664, 30437280), (690, 29290368), (720, 28069936), (736, 27459720), (747, 27055360), (768, 26315565), (828, 24408640), (830, 24349824), (919, 21991680), (920, 21967776), (960, 21052452), (996, 20291520), (1035, 19526912), (1104, 18306480), (1152, 17543710), (1245, 16233216), (1280, 15789339), (1328, 15218640), (1380, 14645184), (1440, 14034968), (1472, 13729860), (1494, 13527680), (1656, 12204320), (1660, 12174912), (1838, 10995840), (1840, 10983888), (1909, 10586880), (1920, 10526226), (1992, 10145760), (2070, 9763456), (2208, 9153240), (2304, 8771855), (2490, 8116608), (2656, 7609320), (2757, 7330560), (2760, 7322592), (2880, 7017484), (2944, 6864930), (2988, 6763840), (3312, 6102160), (3320, 6087456), (3676, 5497920), (3680, 5491944), (3735, 5411072), (3818, 5293440), (3840, 5263113), (3984, 5072880), (4140, 4881728), (4416, 4576620), (4595, 4398336), (4980, 4058304), (5312, 3804660), (5514, 3665280), (5520, 3661296), (5727, 3528960), (5760, 3508742), (5888, 3432465), (5976, 3381920), (6624, 3051080), (6640, 3043728), (7352, 2748960), (7360, 2745972), (7470, 2705536), (7636, 2646720), (7968, 2536440), (8271, 2443520), (8280, 2440864), (8832, 2288310), (9190, 2199168), (9545, 2117376), (9960, 2029152), (10624, 1902330), (11028, 1832640), (11040, 1830648), (11454, 1764480), (11520, 1754371), (11952, 1690960), (13248, 1525540), (13280, 1521864), (13785, 1466112), (14704, 1374480), (14720, 1372986), (14940, 1352768), (15272, 1323360), (15936, 1268220), (16542, 1221760), (16560, 1220432), (17181, 1176320), (17664, 1144155), (18380, 1099584), (19090, 1058688), (19920, 1014576), (21137, 956160), (21248, 951165), (22056, 916320), (22080, 915324), (22908, 882240), (23904, 845480), (26496, 762770), (26560, 760932), (27570, 733056), (28635, 705792), (29408, 687240), (29440, 686493), (29880, 676384), (30544, 661680), (31872, 634110), (33084, 610880), (33120, 610216), (34362, 588160), (36760, 549792), (38180, 529344), (39840, 507288), (41355, 488704), (42274, 478080), (44112, 458160), (44160, 457662), (45816, 441120), (47808, 422740), (52992, 381385), (53120, 380466), (55140, 366528), (57270, 352896), (58816, 343620), (59760, 338192), (61088, 330840), (63411, 318720), (63744, 317055), (66168, 305440), (66240, 305108), (68724, 294080), (73520, 274896), (76277, 264960), (76360, 264672), (79680, 253644), (82710, 244352), (84548, 239040), (85905, 235264), (88224, 229080), (88320, 228831), (91632, 220560), (95616, 211370), (105685, 191232), (106240, 190233), (110280, 183264), (114540, 176448), (117632, 171810), (119520, 169096), (122176, 165420), (126822, 159360), (132336, 152720), (132480, 152554), (137448, 147040)]