280725120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 384

約数和(自身を含む): 1096018560

約数和(自身を除く): 815293440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 64, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 128, 130, 138, 144, 156, 160, 163, 180, 184, 192, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 320, 326, 345, 360, 368, 384, 390, 414, 416, 460, 468, 480, 489, 520, 552, 576, 585, 598, 624, 640, 652, 690, 720, 736, 780, 815, 828, 832, 897, 920, 936, 960, 978, 1035, 1040, 1104, 1152, 1170, 1196, 1248, 1304, 1380, 1440, 1467, 1472, 1495, 1560, 1630, 1656, 1664, 1794, 1840, 1872, 1920, 1956, 2070, 2080, 2119, 2208, 2340, 2392, 2445, 2496, 2608, 2691, 2760, 2880, 2934, 2944, 2990, 3120, 3260, 3312, 3588, 3680, 3744, 3749, 3912, 4140, 4160, 4238, 4416, 4485, 4680, 4784, 4890, 4992, 5216, 5382, 5520, 5760, 5868, 5980, 6240, 6357, 6520, 6624, 7176, 7335, 7360, 7488, 7498, 7824, 8280, 8320, 8476, 8832, 8970, 9360, 9568, 9780, 10432, 10595, 10764, 11040, 11247, 11736, 11960, 12480, 12714, 13040, 13248, 13455, 14352, 14670, 14720, 14976, 14996, 15648, 16560, 16952, 17940, 18720, 18745, 19071, 19136, 19560, 20864, 21190, 21528, 22080, 22494, 23472, 23920, 24960, 25428, 26080, 26496, 26910, 28704, 29340, 29992, 31296, 31785, 33120, 33741, 33904, 35880, 37440, 37490, 38142, 38272, 39120, 42380, 43056, 44160, 44988, 46944, 47840, 48737, 50856, 52160, 53820, 56235, 57408, 58680, 59984, 62592, 63570, 66240, 67482, 67808, 71760, 74880, 74980, 76284, 78240, 84760, 86112, 89976, 93888, 95355, 95680, 97474, 101712, 104320, 107640, 112470, 114816, 117360, 119968, 127140, 132480, 134964, 135616, 143520, 146211, 149960, 152568, 156480, 168705, 169520, 172224, 179952, 187776, 190710, 191360, 194948, 203424, 215280, 224940, 234720, 239936, 243685, 254280, 269928, 271232, 287040, 292422, 299920, 305136, 312960, 337410, 339040, 344448, 359904, 381420, 389896, 406848, 430560, 438633, 449880, 469440, 479872, 487370, 508560, 539856, 574080, 584844, 599840, 610272, 674820, 678080, 719808, 731055, 762840, 779792, 813696, 861120, 877266, 899760, 938880, 974740, 1017120, 1079712, 1169688, 1199680, 1220544, 1349640, 1356160, 1439616, 1462110, 1525680, 1559584, 1722240, 1754532, 1799520, 1949480, 2034240, 2159424, 2193165, 2339376, 2399360, 2441088, 2699280, 2924220, 3051360, 3119168, 3509064, 3599040, 3898960, 4068480, 4318848, 4386330, 4678752, 5398560, 5848440, 6102720, 6238336, 7018128, 7198080, 7797920, 8772660, 9357504, 10797120, 11696880, 12205440, 14036256, 15595840, 17545320, 18715008, 21594240, 23393760, 28072512, 31191680, 35090640, 46787520, 56145024, 70181280, 93575040, 140362560, 280725120]

約数ペア:

[(1, 280725120), (2, 140362560), (3, 93575040), (4, 70181280), (5, 56145024), (6, 46787520), (8, 35090640), (9, 31191680), (10, 28072512), (12, 23393760), (13, 21594240), (15, 18715008), (16, 17545320), (18, 15595840), (20, 14036256), (23, 12205440), (24, 11696880), (26, 10797120), (30, 9357504), (32, 8772660), (36, 7797920), (39, 7198080), (40, 7018128), (45, 6238336), (46, 6102720), (48, 5848440), (52, 5398560), (60, 4678752), (64, 4386330), (65, 4318848), (69, 4068480), (72, 3898960), (78, 3599040), (80, 3509064), (90, 3119168), (92, 3051360), (96, 2924220), (104, 2699280), (115, 2441088), (117, 2399360), (120, 2339376), (128, 2193165), (130, 2159424), (138, 2034240), (144, 1949480), (156, 1799520), (160, 1754532), (163, 1722240), (180, 1559584), (184, 1525680), (192, 1462110), (195, 1439616), (207, 1356160), (208, 1349640), (230, 1220544), (234, 1199680), (240, 1169688), (260, 1079712), (276, 1017120), (288, 974740), (299, 938880), (312, 899760), (320, 877266), (326, 861120), (345, 813696), (360, 779792), (368, 762840), (384, 731055), (390, 719808), (414, 678080), (416, 674820), (460, 610272), (468, 599840), (480, 584844), (489, 574080), (520, 539856), (552, 508560), (576, 487370), (585, 479872), (598, 469440), (624, 449880), (640, 438633), (652, 430560), (690, 406848), (720, 389896), (736, 381420), (780, 359904), (815, 344448), (828, 339040), (832, 337410), (897, 312960), (920, 305136), (936, 299920), (960, 292422), (978, 287040), (1035, 271232), (1040, 269928), (1104, 254280), (1152, 243685), (1170, 239936), (1196, 234720), (1248, 224940), (1304, 215280), (1380, 203424), (1440, 194948), (1467, 191360), (1472, 190710), (1495, 187776), (1560, 179952), (1630, 172224), (1656, 169520), (1664, 168705), (1794, 156480), (1840, 152568), (1872, 149960), (1920, 146211), (1956, 143520), (2070, 135616), (2080, 134964), (2119, 132480), (2208, 127140), (2340, 119968), (2392, 117360), (2445, 114816), (2496, 112470), (2608, 107640), (2691, 104320), (2760, 101712), (2880, 97474), (2934, 95680), (2944, 95355), (2990, 93888), (3120, 89976), (3260, 86112), (3312, 84760), (3588, 78240), (3680, 76284), (3744, 74980), (3749, 74880), (3912, 71760), (4140, 67808), (4160, 67482), (4238, 66240), (4416, 63570), (4485, 62592), (4680, 59984), (4784, 58680), (4890, 57408), (4992, 56235), (5216, 53820), (5382, 52160), (5520, 50856), (5760, 48737), (5868, 47840), (5980, 46944), (6240, 44988), (6357, 44160), (6520, 43056), (6624, 42380), (7176, 39120), (7335, 38272), (7360, 38142), (7488, 37490), (7498, 37440), (7824, 35880), (8280, 33904), (8320, 33741), (8476, 33120), (8832, 31785), (8970, 31296), (9360, 29992), (9568, 29340), (9780, 28704), (10432, 26910), (10595, 26496), (10764, 26080), (11040, 25428), (11247, 24960), (11736, 23920), (11960, 23472), (12480, 22494), (12714, 22080), (13040, 21528), (13248, 21190), (13455, 20864), (14352, 19560), (14670, 19136), (14720, 19071), (14976, 18745), (14996, 18720), (15648, 17940), (16560, 16952)]