991668480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1433

約数の個数: 288

約数和(自身を含む): 3660951168

約数和(自身を除く): 2669282688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 255, 256, 264, 272, 320, 330, 340, 352, 374, 384, 408, 440, 480, 510, 528, 544, 561, 640, 660, 680, 704, 748, 768, 816, 880, 935, 960, 1020, 1056, 1088, 1122, 1280, 1320, 1360, 1381, 1408, 1496, 1632, 1760, 1870, 1920, 2040, 2112, 2176, 2244, 2640, 2720, 2762, 2805, 2816, 2992, 3264, 3520, 3740, 3840, 4080, 4143, 4224, 4352, 4488, 5280, 5440, 5524, 5610, 5984, 6528, 6905, 7040, 7480, 8160, 8286, 8448, 8976, 10560, 10880, 11048, 11220, 11968, 13056, 13810, 14080, 14960, 15191, 16320, 16572, 17952, 20715, 21120, 21760, 22096, 22440, 23477, 23936, 27620, 29920, 30382, 32640, 33144, 35904, 41430, 42240, 44192, 44880, 45573, 46954, 47872, 55240, 59840, 60764, 65280, 66288, 70431, 71808, 75955, 82860, 88384, 89760, 91146, 93908, 110480, 117385, 119680, 121528, 132576, 140862, 143616, 151910, 165720, 176768, 179520, 182292, 187816, 220960, 227865, 234770, 239360, 243056, 258247, 265152, 281724, 303820, 331440, 352155, 353536, 359040, 364584, 375632, 441920, 455730, 469540, 486112, 516494, 530304, 563448, 607640, 662880, 704310, 718080, 729168, 751264, 774741, 883840, 911460, 939080, 972224, 1032988, 1060608, 1126896, 1215280, 1291235, 1325760, 1408620, 1458336, 1502528, 1549482, 1767680, 1822920, 1878160, 1944448, 2065976, 2253792, 2430560, 2582470, 2651520, 2817240, 2916672, 3005056, 3098964, 3645840, 3756320, 3873705, 3888896, 4131952, 4507584, 4861120, 5164940, 5303040, 5634480, 5833344, 6010112, 6197928, 7291680, 7512640, 7747410, 8263904, 9015168, 9722240, 10329880, 11268960, 11666688, 12395856, 14583360, 15025280, 15494820, 16527808, 18030336, 19444480, 20659760, 22537920, 24791712, 29166720, 30050560, 30989640, 33055616, 41319520, 45075840, 49583424, 58333440, 61979280, 66111232, 82639040, 90151680, 99166848, 123958560, 165278080, 198333696, 247917120, 330556160, 495834240, 991668480]

約数ペア:

[(1, 991668480), (2, 495834240), (3, 330556160), (4, 247917120), (5, 198333696), (6, 165278080), (8, 123958560), (10, 99166848), (11, 90151680), (12, 82639040), (15, 66111232), (16, 61979280), (17, 58333440), (20, 49583424), (22, 45075840), (24, 41319520), (30, 33055616), (32, 30989640), (33, 30050560), (34, 29166720), (40, 24791712), (44, 22537920), (48, 20659760), (51, 19444480), (55, 18030336), (60, 16527808), (64, 15494820), (66, 15025280), (68, 14583360), (80, 12395856), (85, 11666688), (88, 11268960), (96, 10329880), (102, 9722240), (110, 9015168), (120, 8263904), (128, 7747410), (132, 7512640), (136, 7291680), (160, 6197928), (165, 6010112), (170, 5833344), (176, 5634480), (187, 5303040), (192, 5164940), (204, 4861120), (220, 4507584), (240, 4131952), (255, 3888896), (256, 3873705), (264, 3756320), (272, 3645840), (320, 3098964), (330, 3005056), (340, 2916672), (352, 2817240), (374, 2651520), (384, 2582470), (408, 2430560), (440, 2253792), (480, 2065976), (510, 1944448), (528, 1878160), (544, 1822920), (561, 1767680), (640, 1549482), (660, 1502528), (680, 1458336), (704, 1408620), (748, 1325760), (768, 1291235), (816, 1215280), (880, 1126896), (935, 1060608), (960, 1032988), (1020, 972224), (1056, 939080), (1088, 911460), (1122, 883840), (1280, 774741), (1320, 751264), (1360, 729168), (1381, 718080), (1408, 704310), (1496, 662880), (1632, 607640), (1760, 563448), (1870, 530304), (1920, 516494), (2040, 486112), (2112, 469540), (2176, 455730), (2244, 441920), (2640, 375632), (2720, 364584), (2762, 359040), (2805, 353536), (2816, 352155), (2992, 331440), (3264, 303820), (3520, 281724), (3740, 265152), (3840, 258247), (4080, 243056), (4143, 239360), (4224, 234770), (4352, 227865), (4488, 220960), (5280, 187816), (5440, 182292), (5524, 179520), (5610, 176768), (5984, 165720), (6528, 151910), (6905, 143616), (7040, 140862), (7480, 132576), (8160, 121528), (8286, 119680), (8448, 117385), (8976, 110480), (10560, 93908), (10880, 91146), (11048, 89760), (11220, 88384), (11968, 82860), (13056, 75955), (13810, 71808), (14080, 70431), (14960, 66288), (15191, 65280), (16320, 60764), (16572, 59840), (17952, 55240), (20715, 47872), (21120, 46954), (21760, 45573), (22096, 44880), (22440, 44192), (23477, 42240), (23936, 41430), (27620, 35904), (29920, 33144), (30382, 32640)]