251287920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 400

約数和(自身を含む): 995665440

約数和(自身を除く): 744377520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 144, 152, 156, 157, 162, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 270, 285, 304, 312, 314, 324, 342, 351, 360, 380, 390, 405, 432, 456, 468, 471, 494, 513, 520, 540, 570, 585, 624, 628, 648, 684, 702, 720, 741, 760, 780, 785, 810, 855, 912, 936, 942, 988, 1026, 1040, 1053, 1080, 1140, 1170, 1235, 1256, 1296, 1368, 1404, 1413, 1482, 1520, 1539, 1560, 1570, 1620, 1710, 1755, 1872, 1884, 1976, 2041, 2052, 2106, 2160, 2223, 2280, 2340, 2355, 2470, 2512, 2565, 2736, 2808, 2826, 2964, 2983, 3078, 3120, 3140, 3240, 3420, 3510, 3705, 3768, 3952, 4082, 4104, 4212, 4239, 4446, 4560, 4680, 4710, 4940, 5130, 5265, 5616, 5652, 5928, 5966, 6123, 6156, 6280, 6480, 6669, 6840, 7020, 7065, 7410, 7536, 7695, 8164, 8208, 8424, 8478, 8892, 8949, 9360, 9420, 9880, 10205, 10260, 10530, 11115, 11304, 11856, 11932, 12246, 12312, 12560, 12717, 13338, 13680, 14040, 14130, 14820, 14915, 15390, 16328, 16848, 16956, 17784, 17898, 18369, 18840, 19760, 20007, 20410, 20520, 21060, 21195, 22230, 22608, 23864, 24492, 24624, 25434, 26676, 26847, 28080, 28260, 29640, 29830, 30615, 30780, 32656, 33345, 33912, 35568, 35796, 36738, 37680, 38779, 40014, 40820, 41040, 42120, 42390, 44460, 44745, 47728, 48984, 50868, 53352, 53694, 55107, 56520, 59280, 59660, 61230, 61560, 63585, 66690, 67824, 71592, 73476, 77558, 80028, 80541, 81640, 84240, 84780, 88920, 89490, 91845, 97968, 100035, 101736, 106704, 107388, 110214, 113040, 116337, 119320, 122460, 123120, 127170, 133380, 134235, 143184, 146952, 155116, 160056, 161082, 163280, 165321, 169560, 177840, 178980, 183690, 193895, 200070, 203472, 214776, 220428, 232674, 238640, 241623, 244920, 254340, 266760, 268470, 275535, 293904, 310232, 320112, 322164, 330642, 339120, 349011, 357960, 367380, 387790, 400140, 402705, 429552, 440856, 465348, 483246, 489840, 508680, 533520, 536940, 551070, 581685, 620464, 644328, 661284, 698022, 715920, 734760, 775580, 800280, 805410, 826605, 881712, 930696, 966492, 1017360, 1047033, 1073880, 1102140, 1163370, 1208115, 1288656, 1322568, 1396044, 1469520, 1551160, 1600560, 1610820, 1653210, 1745055, 1861392, 1932984, 2094066, 2147760, 2204280, 2326740, 2416230, 2645136, 2792088, 3102320, 3141099, 3221640, 3306420, 3490110, 3865968, 4188132, 4408560, 4653480, 4832460, 5235165, 5584176, 6282198, 6443280, 6612840, 6980220, 8376264, 9306960, 9664920, 10470330, 12564396, 13225680, 13960440, 15705495, 16752528, 19329840, 20940660, 25128792, 27920880, 31410990, 41881320, 50257584, 62821980, 83762640, 125643960, 251287920]

約数ペア:

[(1, 251287920), (2, 125643960), (3, 83762640), (4, 62821980), (5, 50257584), (6, 41881320), (8, 31410990), (9, 27920880), (10, 25128792), (12, 20940660), (13, 19329840), (15, 16752528), (16, 15705495), (18, 13960440), (19, 13225680), (20, 12564396), (24, 10470330), (26, 9664920), (27, 9306960), (30, 8376264), (36, 6980220), (38, 6612840), (39, 6443280), (40, 6282198), (45, 5584176), (48, 5235165), (52, 4832460), (54, 4653480), (57, 4408560), (60, 4188132), (65, 3865968), (72, 3490110), (76, 3306420), (78, 3221640), (80, 3141099), (81, 3102320), (90, 2792088), (95, 2645136), (104, 2416230), (108, 2326740), (114, 2204280), (117, 2147760), (120, 2094066), (130, 1932984), (135, 1861392), (144, 1745055), (152, 1653210), (156, 1610820), (157, 1600560), (162, 1551160), (171, 1469520), (180, 1396044), (190, 1322568), (195, 1288656), (208, 1208115), (216, 1163370), (228, 1102140), (234, 1073880), (240, 1047033), (247, 1017360), (260, 966492), (270, 930696), (285, 881712), (304, 826605), (312, 805410), (314, 800280), (324, 775580), (342, 734760), (351, 715920), (360, 698022), (380, 661284), (390, 644328), (405, 620464), (432, 581685), (456, 551070), (468, 536940), (471, 533520), (494, 508680), (513, 489840), (520, 483246), (540, 465348), (570, 440856), (585, 429552), (624, 402705), (628, 400140), (648, 387790), (684, 367380), (702, 357960), (720, 349011), (741, 339120), (760, 330642), (780, 322164), (785, 320112), (810, 310232), (855, 293904), (912, 275535), (936, 268470), (942, 266760), (988, 254340), (1026, 244920), (1040, 241623), (1053, 238640), (1080, 232674), (1140, 220428), (1170, 214776), (1235, 203472), (1256, 200070), (1296, 193895), (1368, 183690), (1404, 178980), (1413, 177840), (1482, 169560), (1520, 165321), (1539, 163280), (1560, 161082), (1570, 160056), (1620, 155116), (1710, 146952), (1755, 143184), (1872, 134235), (1884, 133380), (1976, 127170), (2041, 123120), (2052, 122460), (2106, 119320), (2160, 116337), (2223, 113040), (2280, 110214), (2340, 107388), (2355, 106704), (2470, 101736), (2512, 100035), (2565, 97968), (2736, 91845), (2808, 89490), (2826, 88920), (2964, 84780), (2983, 84240), (3078, 81640), (3120, 80541), (3140, 80028), (3240, 77558), (3420, 73476), (3510, 71592), (3705, 67824), (3768, 66690), (3952, 63585), (4082, 61560), (4104, 61230), (4212, 59660), (4239, 59280), (4446, 56520), (4560, 55107), (4680, 53694), (4710, 53352), (4940, 50868), (5130, 48984), (5265, 47728), (5616, 44745), (5652, 44460), (5928, 42390), (5966, 42120), (6123, 41040), (6156, 40820), (6280, 40014), (6480, 38779), (6669, 37680), (6840, 36738), (7020, 35796), (7065, 35568), (7410, 33912), (7536, 33345), (7695, 32656), (8164, 30780), (8208, 30615), (8424, 29830), (8478, 29640), (8892, 28260), (8949, 28080), (9360, 26847), (9420, 26676), (9880, 25434), (10205, 24624), (10260, 24492), (10530, 23864), (11115, 22608), (11304, 22230), (11856, 21195), (11932, 21060), (12246, 20520), (12312, 20410), (12560, 20007), (12717, 19760), (13338, 18840), (13680, 18369), (14040, 17898), (14130, 17784), (14820, 16956), (14915, 16848), (15390, 16328)]