1821473280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7227

約数の個数: 240

約数和(自身を含む): 6882711264

約数和(自身を除く): 5061237984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5280, 5632, 5760, 6336, 7040, 7187, 7680, 7920, 8448, 10560, 11520, 12672, 14080, 14374, 15840, 16896, 21120, 21561, 23040, 25344, 28160, 28748, 31680, 35935, 42240, 43122, 50688, 57496, 63360, 64683, 71870, 79057, 84480, 86244, 107805, 114992, 126720, 129366, 143740, 158114, 172488, 215610, 229984, 237171, 253440, 258732, 287480, 316228, 323415, 344976, 395285, 431220, 459968, 474342, 517464, 574960, 632456, 646830, 689952, 711513, 790570, 862440, 919936, 948684, 1034928, 1149920, 1185855, 1264912, 1293660, 1379904, 1423026, 1581140, 1724880, 1839872, 1897368, 2069856, 2299840, 2371710, 2529824, 2587320, 2759808, 2846052, 3162280, 3449760, 3557565, 3679744, 3794736, 4139712, 4599680, 4743420, 5059648, 5174640, 5519616, 5692104, 6324560, 6899520, 7115130, 7589472, 8279424, 9199360, 9486840, 10119296, 10349280, 11039232, 11384208, 12649120, 13799040, 14230260, 15178944, 16558848, 18398720, 18973680, 20238592, 20698560, 22768416, 25298240, 27598080, 28460520, 30357888, 33117696, 37947360, 40477184, 41397120, 45536832, 50596480, 55196160, 56921040, 60715776, 75894720, 82794240, 91073664, 101192960, 113842080, 121431552, 151789440, 165588480, 182147328, 202385920, 227684160, 303578880, 364294656, 455368320, 607157760, 910736640, 1821473280]

約数ペア:

[(1, 1821473280), (2, 910736640), (3, 607157760), (4, 455368320), (5, 364294656), (6, 303578880), (8, 227684160), (9, 202385920), (10, 182147328), (11, 165588480), (12, 151789440), (15, 121431552), (16, 113842080), (18, 101192960), (20, 91073664), (22, 82794240), (24, 75894720), (30, 60715776), (32, 56921040), (33, 55196160), (36, 50596480), (40, 45536832), (44, 41397120), (45, 40477184), (48, 37947360), (55, 33117696), (60, 30357888), (64, 28460520), (66, 27598080), (72, 25298240), (80, 22768416), (88, 20698560), (90, 20238592), (96, 18973680), (99, 18398720), (110, 16558848), (120, 15178944), (128, 14230260), (132, 13799040), (144, 12649120), (160, 11384208), (165, 11039232), (176, 10349280), (180, 10119296), (192, 9486840), (198, 9199360), (220, 8279424), (240, 7589472), (256, 7115130), (264, 6899520), (288, 6324560), (320, 5692104), (330, 5519616), (352, 5174640), (360, 5059648), (384, 4743420), (396, 4599680), (440, 4139712), (480, 3794736), (495, 3679744), (512, 3557565), (528, 3449760), (576, 3162280), (640, 2846052), (660, 2759808), (704, 2587320), (720, 2529824), (768, 2371710), (792, 2299840), (880, 2069856), (960, 1897368), (990, 1839872), (1056, 1724880), (1152, 1581140), (1280, 1423026), (1320, 1379904), (1408, 1293660), (1440, 1264912), (1536, 1185855), (1584, 1149920), (1760, 1034928), (1920, 948684), (1980, 919936), (2112, 862440), (2304, 790570), (2560, 711513), (2640, 689952), (2816, 646830), (2880, 632456), (3168, 574960), (3520, 517464), (3840, 474342), (3960, 459968), (4224, 431220), (4608, 395285), (5280, 344976), (5632, 323415), (5760, 316228), (6336, 287480), (7040, 258732), (7187, 253440), (7680, 237171), (7920, 229984), (8448, 215610), (10560, 172488), (11520, 158114), (12672, 143740), (14080, 129366), (14374, 126720), (15840, 114992), (16896, 107805), (21120, 86244), (21561, 84480), (23040, 79057), (25344, 71870), (28160, 64683), (28748, 63360), (31680, 57496), (35935, 50688), (42240, 43122)]