254381120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 224

約数和(自身を含む): 751027200

約数和(自身を除く): 496646080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 43, 56, 64, 70, 76, 80, 86, 95, 112, 133, 139, 140, 152, 160, 172, 190, 215, 224, 266, 278, 280, 301, 304, 320, 344, 380, 430, 448, 532, 556, 560, 602, 608, 665, 688, 695, 760, 817, 860, 973, 1064, 1112, 1120, 1204, 1216, 1330, 1376, 1390, 1505, 1520, 1634, 1720, 1946, 2128, 2224, 2240, 2408, 2641, 2660, 2752, 2780, 3010, 3040, 3268, 3440, 3892, 4085, 4256, 4448, 4816, 4865, 5282, 5320, 5560, 5719, 5977, 6020, 6080, 6536, 6880, 7784, 8170, 8512, 8896, 9632, 9730, 10564, 10640, 11120, 11438, 11954, 12040, 13072, 13205, 13760, 15568, 16340, 18487, 19264, 19460, 21128, 21280, 22240, 22876, 23908, 24080, 26144, 26410, 28595, 29885, 31136, 32680, 36974, 38920, 41839, 42256, 42560, 44480, 45752, 47816, 48160, 52288, 52820, 57190, 59770, 62272, 65360, 73948, 77840, 83678, 84512, 91504, 92435, 95632, 96320, 105640, 113563, 114380, 119540, 130720, 147896, 155680, 167356, 169024, 183008, 184870, 191264, 209195, 211280, 227126, 228760, 239080, 261440, 295792, 311360, 334712, 366016, 369740, 382528, 418390, 422560, 454252, 457520, 478160, 567815, 591584, 669424, 739480, 794941, 836780, 845120, 908504, 915040, 956320, 1135630, 1183168, 1338848, 1478960, 1589882, 1673560, 1817008, 1830080, 1912640, 2271260, 2677696, 2957920, 3179764, 3347120, 3634016, 3974705, 4542520, 5915840, 6359528, 6694240, 7268032, 7949410, 9085040, 12719056, 13388480, 15898820, 18170080, 25438112, 31797640, 36340160, 50876224, 63595280, 127190560, 254381120]

約数ペア:

[(1, 254381120), (2, 127190560), (4, 63595280), (5, 50876224), (7, 36340160), (8, 31797640), (10, 25438112), (14, 18170080), (16, 15898820), (19, 13388480), (20, 12719056), (28, 9085040), (32, 7949410), (35, 7268032), (38, 6694240), (40, 6359528), (43, 5915840), (56, 4542520), (64, 3974705), (70, 3634016), (76, 3347120), (80, 3179764), (86, 2957920), (95, 2677696), (112, 2271260), (133, 1912640), (139, 1830080), (140, 1817008), (152, 1673560), (160, 1589882), (172, 1478960), (190, 1338848), (215, 1183168), (224, 1135630), (266, 956320), (278, 915040), (280, 908504), (301, 845120), (304, 836780), (320, 794941), (344, 739480), (380, 669424), (430, 591584), (448, 567815), (532, 478160), (556, 457520), (560, 454252), (602, 422560), (608, 418390), (665, 382528), (688, 369740), (695, 366016), (760, 334712), (817, 311360), (860, 295792), (973, 261440), (1064, 239080), (1112, 228760), (1120, 227126), (1204, 211280), (1216, 209195), (1330, 191264), (1376, 184870), (1390, 183008), (1505, 169024), (1520, 167356), (1634, 155680), (1720, 147896), (1946, 130720), (2128, 119540), (2224, 114380), (2240, 113563), (2408, 105640), (2641, 96320), (2660, 95632), (2752, 92435), (2780, 91504), (3010, 84512), (3040, 83678), (3268, 77840), (3440, 73948), (3892, 65360), (4085, 62272), (4256, 59770), (4448, 57190), (4816, 52820), (4865, 52288), (5282, 48160), (5320, 47816), (5560, 45752), (5719, 44480), (5977, 42560), (6020, 42256), (6080, 41839), (6536, 38920), (6880, 36974), (7784, 32680), (8170, 31136), (8512, 29885), (8896, 28595), (9632, 26410), (9730, 26144), (10564, 24080), (10640, 23908), (11120, 22876), (11438, 22240), (11954, 21280), (12040, 21128), (13072, 19460), (13205, 19264), (13760, 18487), (15568, 16340)]