1820835840

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 6039613440

約数和(自身を除く): 4218777600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 239, 240, 248, 256, 310, 320, 372, 384, 465, 478, 480, 496, 512, 620, 640, 717, 744, 768, 930, 956, 960, 992, 1024, 1195, 1240, 1280, 1434, 1488, 1536, 1860, 1912, 1920, 1984, 2048, 2390, 2480, 2560, 2868, 2976, 3072, 3585, 3720, 3824, 3840, 3968, 4096, 4780, 4960, 5120, 5736, 5952, 6144, 7170, 7409, 7440, 7648, 7680, 7936, 8192, 9560, 9920, 10240, 11472, 11904, 12288, 14340, 14818, 14880, 15296, 15360, 15872, 16384, 19120, 19840, 20480, 22227, 22944, 23808, 24576, 28680, 29636, 29760, 30592, 30720, 31744, 37045, 38240, 39680, 40960, 44454, 45888, 47616, 49152, 57360, 59272, 59520, 61184, 61440, 63488, 74090, 76480, 79360, 81920, 88908, 91776, 95232, 111135, 114720, 118544, 119040, 122368, 122880, 126976, 148180, 152960, 158720, 177816, 183552, 190464, 222270, 229440, 237088, 238080, 244736, 245760, 253952, 296360, 305920, 317440, 355632, 367104, 380928, 444540, 458880, 474176, 476160, 489472, 507904, 592720, 611840, 634880, 711264, 734208, 761856, 889080, 917760, 948352, 952320, 978944, 1185440, 1223680, 1269760, 1422528, 1468416, 1523712, 1778160, 1835520, 1896704, 1904640, 1957888, 2370880, 2447360, 2539520, 2845056, 2936832, 3556320, 3671040, 3793408, 3809280, 3915776, 4741760, 4894720, 5690112, 5873664, 7112640, 7342080, 7586816, 7618560, 9483520, 9789440, 11380224, 11747328, 14225280, 14684160, 15173632, 18967040, 19578880, 22760448, 28450560, 29368320, 30347264, 37934080, 45520896, 56901120, 58736640, 60694528, 75868160, 91041792, 113802240, 121389056, 151736320, 182083584, 227604480, 303472640, 364167168, 455208960, 606945280, 910417920, 1820835840]

約数ペア:

[(1, 1820835840), (2, 910417920), (3, 606945280), (4, 455208960), (5, 364167168), (6, 303472640), (8, 227604480), (10, 182083584), (12, 151736320), (15, 121389056), (16, 113802240), (20, 91041792), (24, 75868160), (30, 60694528), (31, 58736640), (32, 56901120), (40, 45520896), (48, 37934080), (60, 30347264), (62, 29368320), (64, 28450560), (80, 22760448), (93, 19578880), (96, 18967040), (120, 15173632), (124, 14684160), (128, 14225280), (155, 11747328), (160, 11380224), (186, 9789440), (192, 9483520), (239, 7618560), (240, 7586816), (248, 7342080), (256, 7112640), (310, 5873664), (320, 5690112), (372, 4894720), (384, 4741760), (465, 3915776), (478, 3809280), (480, 3793408), (496, 3671040), (512, 3556320), (620, 2936832), (640, 2845056), (717, 2539520), (744, 2447360), (768, 2370880), (930, 1957888), (956, 1904640), (960, 1896704), (992, 1835520), (1024, 1778160), (1195, 1523712), (1240, 1468416), (1280, 1422528), (1434, 1269760), (1488, 1223680), (1536, 1185440), (1860, 978944), (1912, 952320), (1920, 948352), (1984, 917760), (2048, 889080), (2390, 761856), (2480, 734208), (2560, 711264), (2868, 634880), (2976, 611840), (3072, 592720), (3585, 507904), (3720, 489472), (3824, 476160), (3840, 474176), (3968, 458880), (4096, 444540), (4780, 380928), (4960, 367104), (5120, 355632), (5736, 317440), (5952, 305920), (6144, 296360), (7170, 253952), (7409, 245760), (7440, 244736), (7648, 238080), (7680, 237088), (7936, 229440), (8192, 222270), (9560, 190464), (9920, 183552), (10240, 177816), (11472, 158720), (11904, 152960), (12288, 148180), (14340, 126976), (14818, 122880), (14880, 122368), (15296, 119040), (15360, 118544), (15872, 114720), (16384, 111135), (19120, 95232), (19840, 91776), (20480, 88908), (22227, 81920), (22944, 79360), (23808, 76480), (24576, 74090), (28680, 63488), (29636, 61440), (29760, 61184), (30592, 59520), (30720, 59272), (31744, 57360), (37045, 49152), (38240, 47616), (39680, 45888), (40960, 44454)]