254336567720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:664

約数の個数: 256

約数和(自身を含む): 621831168000

約数和(自身を除く): 367494600280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 139, 164, 179, 184, 205, 230, 271, 278, 328, 358, 410, 460, 542, 556, 695, 716, 820, 895, 920, 943, 1084, 1112, 1355, 1390, 1432, 1640, 1790, 1886, 2168, 2710, 2780, 3197, 3580, 3772, 4117, 4715, 5420, 5560, 5699, 6233, 6394, 7160, 7339, 7544, 8234, 9430, 10840, 11111, 11398, 12466, 12788, 14678, 15985, 16468, 18860, 20585, 22222, 22796, 24881, 24932, 25576, 28495, 29356, 31165, 31970, 32936, 36695, 37669, 37720, 41170, 44444, 45592, 48509, 49762, 49864, 55555, 56990, 58712, 62330, 63940, 73390, 75338, 82340, 88888, 97018, 99524, 111110, 113980, 124405, 124660, 127880, 131077, 146780, 150676, 164680, 168797, 188345, 194036, 199048, 222220, 227960, 242545, 248810, 249320, 255553, 262154, 293560, 301352, 337594, 376690, 388072, 444440, 485090, 497620, 511106, 524308, 572263, 655385, 675188, 753380, 843985, 866387, 970180, 995240, 1020121, 1022212, 1048616, 1115707, 1144526, 1277765, 1310770, 1350376, 1506760, 1544429, 1687970, 1732774, 1940360, 1988869, 2040242, 2044424, 2231414, 2289052, 2555530, 2621540, 2861315, 3088858, 3375940, 3465548, 3977738, 4080484, 4331935, 4462828, 4578104, 5100605, 5111060, 5243080, 5578535, 5722630, 6177716, 6742751, 6751880, 6931096, 7722145, 7955476, 8160968, 8663870, 8925656, 9944345, 10201210, 10222120, 11157070, 11445260, 12355432, 13485502, 15444290, 15910952, 17327740, 19888690, 20402420, 22314140, 22890520, 23462783, 26971004, 30888580, 33713755, 34655480, 35521867, 39777380, 40804840, 44628280, 45743987, 46925566, 53942008, 61777160, 67427510, 71043734, 79554760, 91487974, 93851132, 117313915, 134855020, 142087468, 155083273, 177609335, 182975948, 187702264, 228719935, 234627830, 269710040, 276452791, 284174936, 310166546, 355218670, 365951896, 457439870, 469255660, 552905582, 620333092, 710437340, 775416365, 914879740, 938511320, 1105811164, 1240666184, 1382263955, 1420874680, 1550832730, 1829759480, 2211622328, 2764527910, 3101665460, 5529055820, 6203330920, 6358414193, 11058111640, 12716828386, 25433656772, 31792070965, 50867313544, 63584141930, 127168283860, 254336567720]

約数ペア:

[(1, 254336567720), (2, 127168283860), (4, 63584141930), (5, 50867313544), (8, 31792070965), (10, 25433656772), (20, 12716828386), (23, 11058111640), (40, 6358414193), (41, 6203330920), (46, 5529055820), (82, 3101665460), (92, 2764527910), (115, 2211622328), (139, 1829759480), (164, 1550832730), (179, 1420874680), (184, 1382263955), (205, 1240666184), (230, 1105811164), (271, 938511320), (278, 914879740), (328, 775416365), (358, 710437340), (410, 620333092), (460, 552905582), (542, 469255660), (556, 457439870), (695, 365951896), (716, 355218670), (820, 310166546), (895, 284174936), (920, 276452791), (943, 269710040), (1084, 234627830), (1112, 228719935), (1355, 187702264), (1390, 182975948), (1432, 177609335), (1640, 155083273), (1790, 142087468), (1886, 134855020), (2168, 117313915), (2710, 93851132), (2780, 91487974), (3197, 79554760), (3580, 71043734), (3772, 67427510), (4117, 61777160), (4715, 53942008), (5420, 46925566), (5560, 45743987), (5699, 44628280), (6233, 40804840), (6394, 39777380), (7160, 35521867), (7339, 34655480), (7544, 33713755), (8234, 30888580), (9430, 26971004), (10840, 23462783), (11111, 22890520), (11398, 22314140), (12466, 20402420), (12788, 19888690), (14678, 17327740), (15985, 15910952), (16468, 15444290), (18860, 13485502), (20585, 12355432), (22222, 11445260), (22796, 11157070), (24881, 10222120), (24932, 10201210), (25576, 9944345), (28495, 8925656), (29356, 8663870), (31165, 8160968), (31970, 7955476), (32936, 7722145), (36695, 6931096), (37669, 6751880), (37720, 6742751), (41170, 6177716), (44444, 5722630), (45592, 5578535), (48509, 5243080), (49762, 5111060), (49864, 5100605), (55555, 4578104), (56990, 4462828), (58712, 4331935), (62330, 4080484), (63940, 3977738), (73390, 3465548), (75338, 3375940), (82340, 3088858), (88888, 2861315), (97018, 2621540), (99524, 2555530), (111110, 2289052), (113980, 2231414), (124405, 2044424), (124660, 2040242), (127880, 1988869), (131077, 1940360), (146780, 1732774), (150676, 1687970), (164680, 1544429), (168797, 1506760), (188345, 1350376), (194036, 1310770), (199048, 1277765), (222220, 1144526), (227960, 1115707), (242545, 1048616), (248810, 1022212), (249320, 1020121), (255553, 995240), (262154, 970180), (293560, 866387), (301352, 843985), (337594, 753380), (376690, 675188), (388072, 655385), (444440, 572263), (485090, 524308), (497620, 511106)]