661624320

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 320

約数和(自身を含む): 2501554176

約数和(自身を除く): 1839929856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 397, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 794, 840, 868, 896, 930, 960, 992, 1085, 1120, 1191, 1240, 1280, 1302, 1344, 1488, 1536, 1588, 1680, 1736, 1792, 1860, 1920, 1984, 1985, 2170, 2240, 2382, 2480, 2560, 2604, 2688, 2779, 2976, 3176, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 3970, 4340, 4480, 4764, 4960, 5208, 5376, 5558, 5952, 5955, 6352, 6510, 6720, 6944, 7440, 7680, 7936, 7940, 8337, 8680, 8960, 9528, 9920, 10416, 10752, 11116, 11904, 11910, 12307, 12704, 13020, 13440, 13888, 13895, 14880, 15872, 15880, 16674, 17360, 17920, 19056, 19840, 20832, 22232, 23808, 23820, 24614, 25408, 26040, 26880, 27776, 27790, 29760, 31760, 33348, 34720, 36921, 38112, 39680, 41664, 41685, 44464, 47616, 47640, 49228, 50816, 52080, 53760, 55552, 55580, 59520, 61535, 63520, 66696, 69440, 73842, 76224, 79360, 83328, 83370, 86149, 88928, 95280, 98456, 101632, 104160, 111104, 111160, 119040, 123070, 127040, 133392, 138880, 147684, 152448, 166656, 166740, 172298, 177856, 184605, 190560, 196912, 203264, 208320, 222320, 238080, 246140, 254080, 258447, 266784, 277760, 295368, 304896, 333312, 333480, 344596, 355712, 369210, 381120, 393824, 416640, 430745, 444640, 492280, 508160, 516894, 533568, 555520, 590736, 609792, 666960, 689192, 711424, 738420, 762240, 787648, 833280, 861490, 889280, 984560, 1016320, 1033788, 1067136, 1181472, 1292235, 1333920, 1378384, 1422848, 1476840, 1524480, 1575296, 1666560, 1722980, 1778560, 1969120, 2067576, 2134272, 2362944, 2584470, 2667840, 2756768, 2953680, 3048960, 3150592, 3445960, 3557120, 3938240, 4135152, 4268544, 4725888, 5168940, 5335680, 5513536, 5907360, 6301184, 6891920, 7114240, 7876480, 8270304, 9451776, 10337880, 10671360, 11027072, 11814720, 13783840, 15752960, 16540608, 18903552, 20675760, 21342720, 22054144, 23629440, 27567680, 31505920, 33081216, 41351520, 44108288, 47258880, 55135360, 66162432, 82703040, 94517760, 110270720, 132324864, 165406080, 220541440, 330812160, 661624320]

約数ペア:

[(1, 661624320), (2, 330812160), (3, 220541440), (4, 165406080), (5, 132324864), (6, 110270720), (7, 94517760), (8, 82703040), (10, 66162432), (12, 55135360), (14, 47258880), (15, 44108288), (16, 41351520), (20, 33081216), (21, 31505920), (24, 27567680), (28, 23629440), (30, 22054144), (31, 21342720), (32, 20675760), (35, 18903552), (40, 16540608), (42, 15752960), (48, 13783840), (56, 11814720), (60, 11027072), (62, 10671360), (64, 10337880), (70, 9451776), (80, 8270304), (84, 7876480), (93, 7114240), (96, 6891920), (105, 6301184), (112, 5907360), (120, 5513536), (124, 5335680), (128, 5168940), (140, 4725888), (155, 4268544), (160, 4135152), (168, 3938240), (186, 3557120), (192, 3445960), (210, 3150592), (217, 3048960), (224, 2953680), (240, 2756768), (248, 2667840), (256, 2584470), (280, 2362944), (310, 2134272), (320, 2067576), (336, 1969120), (372, 1778560), (384, 1722980), (397, 1666560), (420, 1575296), (434, 1524480), (448, 1476840), (465, 1422848), (480, 1378384), (496, 1333920), (512, 1292235), (560, 1181472), (620, 1067136), (640, 1033788), (651, 1016320), (672, 984560), (744, 889280), (768, 861490), (794, 833280), (840, 787648), (868, 762240), (896, 738420), (930, 711424), (960, 689192), (992, 666960), (1085, 609792), (1120, 590736), (1191, 555520), (1240, 533568), (1280, 516894), (1302, 508160), (1344, 492280), (1488, 444640), (1536, 430745), (1588, 416640), (1680, 393824), (1736, 381120), (1792, 369210), (1860, 355712), (1920, 344596), (1984, 333480), (1985, 333312), (2170, 304896), (2240, 295368), (2382, 277760), (2480, 266784), (2560, 258447), (2604, 254080), (2688, 246140), (2779, 238080), (2976, 222320), (3176, 208320), (3255, 203264), (3360, 196912), (3472, 190560), (3584, 184605), (3720, 177856), (3840, 172298), (3968, 166740), (3970, 166656), (4340, 152448), (4480, 147684), (4764, 138880), (4960, 133392), (5208, 127040), (5376, 123070), (5558, 119040), (5952, 111160), (5955, 111104), (6352, 104160), (6510, 101632), (6720, 98456), (6944, 95280), (7440, 88928), (7680, 86149), (7936, 83370), (7940, 83328), (8337, 79360), (8680, 76224), (8960, 73842), (9528, 69440), (9920, 66696), (10416, 63520), (10752, 61535), (11116, 59520), (11904, 55580), (11910, 55552), (12307, 53760), (12704, 52080), (13020, 50816), (13440, 49228), (13888, 47640), (13895, 47616), (14880, 44464), (15872, 41685), (15880, 41664), (16674, 39680), (17360, 38112), (17920, 36921), (19056, 34720), (19840, 33348), (20832, 31760), (22232, 29760), (23808, 27790), (23820, 27776), (24614, 26880), (25408, 26040)]