20157717120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2039}}^1$

素因数の和:2351

約数の個数: 256

約数和(自身を含む): 67917312000

約数和(自身を除く): 47759594880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 271, 285, 304, 320, 380, 384, 456, 480, 542, 570, 608, 640, 760, 813, 912, 960, 1084, 1140, 1216, 1355, 1520, 1626, 1824, 1920, 2039, 2168, 2280, 2432, 2710, 3040, 3252, 3648, 4065, 4078, 4336, 4560, 5149, 5420, 6080, 6117, 6504, 7296, 8130, 8156, 8672, 9120, 10195, 10298, 10840, 12160, 12234, 13008, 15447, 16260, 16312, 17344, 18240, 20390, 20596, 21680, 24468, 25745, 26016, 30585, 30894, 32520, 32624, 34688, 36480, 38741, 40780, 41192, 43360, 48936, 51490, 52032, 61170, 61788, 65040, 65248, 77235, 77482, 81560, 82384, 86720, 97872, 102980, 104064, 116223, 122340, 123576, 130080, 130496, 154470, 154964, 163120, 164768, 173440, 193705, 195744, 205960, 232446, 244680, 247152, 260160, 260992, 308940, 309928, 326240, 329536, 387410, 391488, 411920, 464892, 489360, 494304, 520320, 552569, 581115, 617880, 619856, 652480, 659072, 774820, 782976, 823840, 929784, 978720, 988608, 1105138, 1162230, 1235760, 1239712, 1304960, 1549640, 1647680, 1657707, 1859568, 1957440, 1977216, 2210276, 2324460, 2471520, 2479424, 2762845, 3099280, 3295360, 3315414, 3719136, 3914880, 4420552, 4648920, 4943040, 4958848, 5525690, 6198560, 6630828, 7438272, 8288535, 8841104, 9297840, 9886080, 10498811, 11051380, 12397120, 13261656, 14876544, 16577070, 17682208, 18595680, 20997622, 22102760, 24794240, 26523312, 31496433, 33154140, 35364416, 37191360, 41995244, 44205520, 52494055, 53046624, 62992866, 66308280, 70728832, 74382720, 83990488, 88411040, 104988110, 106093248, 125985732, 132616560, 157482165, 167980976, 176822080, 209976220, 212186496, 251971464, 265233120, 314964330, 335961952, 353644160, 419952440, 503942928, 530466240, 629928660, 671923904, 839904880, 1007885856, 1060932480, 1259857320, 1343847808, 1679809760, 2015771712, 2519714640, 3359619520, 4031543424, 5039429280, 6719239040, 10078858560, 20157717120]

約数ペア:

[(1, 20157717120), (2, 10078858560), (3, 6719239040), (4, 5039429280), (5, 4031543424), (6, 3359619520), (8, 2519714640), (10, 2015771712), (12, 1679809760), (15, 1343847808), (16, 1259857320), (19, 1060932480), (20, 1007885856), (24, 839904880), (30, 671923904), (32, 629928660), (38, 530466240), (40, 503942928), (48, 419952440), (57, 353644160), (60, 335961952), (64, 314964330), (76, 265233120), (80, 251971464), (95, 212186496), (96, 209976220), (114, 176822080), (120, 167980976), (128, 157482165), (152, 132616560), (160, 125985732), (190, 106093248), (192, 104988110), (228, 88411040), (240, 83990488), (271, 74382720), (285, 70728832), (304, 66308280), (320, 62992866), (380, 53046624), (384, 52494055), (456, 44205520), (480, 41995244), (542, 37191360), (570, 35364416), (608, 33154140), (640, 31496433), (760, 26523312), (813, 24794240), (912, 22102760), (960, 20997622), (1084, 18595680), (1140, 17682208), (1216, 16577070), (1355, 14876544), (1520, 13261656), (1626, 12397120), (1824, 11051380), (1920, 10498811), (2039, 9886080), (2168, 9297840), (2280, 8841104), (2432, 8288535), (2710, 7438272), (3040, 6630828), (3252, 6198560), (3648, 5525690), (4065, 4958848), (4078, 4943040), (4336, 4648920), (4560, 4420552), (5149, 3914880), (5420, 3719136), (6080, 3315414), (6117, 3295360), (6504, 3099280), (7296, 2762845), (8130, 2479424), (8156, 2471520), (8672, 2324460), (9120, 2210276), (10195, 1977216), (10298, 1957440), (10840, 1859568), (12160, 1657707), (12234, 1647680), (13008, 1549640), (15447, 1304960), (16260, 1239712), (16312, 1235760), (17344, 1162230), (18240, 1105138), (20390, 988608), (20596, 978720), (21680, 929784), (24468, 823840), (25745, 782976), (26016, 774820), (30585, 659072), (30894, 652480), (32520, 619856), (32624, 617880), (34688, 581115), (36480, 552569), (38741, 520320), (40780, 494304), (41192, 489360), (43360, 464892), (48936, 411920), (51490, 391488), (52032, 387410), (61170, 329536), (61788, 326240), (65040, 309928), (65248, 308940), (77235, 260992), (77482, 260160), (81560, 247152), (82384, 244680), (86720, 232446), (97872, 205960), (102980, 195744), (104064, 193705), (116223, 173440), (122340, 164768), (123576, 163120), (130080, 154964), (130496, 154470)]