1278339840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 288

約数和(自身を含む): 4638735360

約数和(自身を除く): 3360395520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 90, 94, 96, 108, 120, 128, 135, 141, 144, 160, 180, 188, 192, 216, 235, 240, 256, 270, 282, 288, 320, 360, 376, 384, 423, 432, 470, 480, 540, 564, 576, 640, 705, 720, 752, 768, 787, 846, 864, 940, 960, 1080, 1128, 1152, 1269, 1280, 1410, 1440, 1504, 1574, 1692, 1728, 1880, 1920, 2115, 2160, 2256, 2304, 2361, 2538, 2820, 2880, 3008, 3148, 3384, 3456, 3760, 3840, 3935, 4230, 4320, 4512, 4722, 5076, 5640, 5760, 6016, 6296, 6345, 6768, 6912, 7083, 7520, 7870, 8460, 8640, 9024, 9444, 10152, 11280, 11520, 11805, 12032, 12592, 12690, 13536, 14166, 15040, 15740, 16920, 17280, 18048, 18888, 20304, 21249, 22560, 23610, 25184, 25380, 27072, 28332, 30080, 31480, 33840, 34560, 35415, 36096, 36989, 37776, 40608, 42498, 45120, 47220, 50368, 50760, 54144, 56664, 60160, 62960, 67680, 70830, 73978, 75552, 81216, 84996, 90240, 94440, 100736, 101520, 106245, 108288, 110967, 113328, 125920, 135360, 141660, 147956, 151104, 162432, 169992, 180480, 184945, 188880, 201472, 203040, 212490, 221934, 226656, 251840, 270720, 283320, 295912, 302208, 324864, 332901, 339984, 369890, 377760, 406080, 424980, 443868, 453312, 503680, 541440, 554835, 566640, 591824, 604416, 665802, 679968, 739780, 755520, 812160, 849960, 887736, 906624, 998703, 1007360, 1109670, 1133280, 1183648, 1331604, 1359936, 1479560, 1511040, 1624320, 1664505, 1699920, 1775472, 1813248, 1997406, 2219340, 2266560, 2367296, 2663208, 2719872, 2959120, 3022080, 3329010, 3399840, 3550944, 3994812, 4438680, 4533120, 4734592, 4993515, 5326416, 5439744, 5918240, 6658020, 6799680, 7101888, 7989624, 8877360, 9066240, 9469184, 9987030, 10652832, 11836480, 13316040, 13599360, 14203776, 15979248, 17754720, 19974060, 21305664, 23672960, 26632080, 27198720, 28407552, 31958496, 35509440, 39948120, 42611328, 47345920, 53264160, 63916992, 71018880, 79896240, 85222656, 106528320, 127833984, 142037760, 159792480, 213056640, 255667968, 319584960, 426113280, 639169920, 1278339840]

約数ペア:

[(1, 1278339840), (2, 639169920), (3, 426113280), (4, 319584960), (5, 255667968), (6, 213056640), (8, 159792480), (9, 142037760), (10, 127833984), (12, 106528320), (15, 85222656), (16, 79896240), (18, 71018880), (20, 63916992), (24, 53264160), (27, 47345920), (30, 42611328), (32, 39948120), (36, 35509440), (40, 31958496), (45, 28407552), (47, 27198720), (48, 26632080), (54, 23672960), (60, 21305664), (64, 19974060), (72, 17754720), (80, 15979248), (90, 14203776), (94, 13599360), (96, 13316040), (108, 11836480), (120, 10652832), (128, 9987030), (135, 9469184), (141, 9066240), (144, 8877360), (160, 7989624), (180, 7101888), (188, 6799680), (192, 6658020), (216, 5918240), (235, 5439744), (240, 5326416), (256, 4993515), (270, 4734592), (282, 4533120), (288, 4438680), (320, 3994812), (360, 3550944), (376, 3399840), (384, 3329010), (423, 3022080), (432, 2959120), (470, 2719872), (480, 2663208), (540, 2367296), (564, 2266560), (576, 2219340), (640, 1997406), (705, 1813248), (720, 1775472), (752, 1699920), (768, 1664505), (787, 1624320), (846, 1511040), (864, 1479560), (940, 1359936), (960, 1331604), (1080, 1183648), (1128, 1133280), (1152, 1109670), (1269, 1007360), (1280, 998703), (1410, 906624), (1440, 887736), (1504, 849960), (1574, 812160), (1692, 755520), (1728, 739780), (1880, 679968), (1920, 665802), (2115, 604416), (2160, 591824), (2256, 566640), (2304, 554835), (2361, 541440), (2538, 503680), (2820, 453312), (2880, 443868), (3008, 424980), (3148, 406080), (3384, 377760), (3456, 369890), (3760, 339984), (3840, 332901), (3935, 324864), (4230, 302208), (4320, 295912), (4512, 283320), (4722, 270720), (5076, 251840), (5640, 226656), (5760, 221934), (6016, 212490), (6296, 203040), (6345, 201472), (6768, 188880), (6912, 184945), (7083, 180480), (7520, 169992), (7870, 162432), (8460, 151104), (8640, 147956), (9024, 141660), (9444, 135360), (10152, 125920), (11280, 113328), (11520, 110967), (11805, 108288), (12032, 106245), (12592, 101520), (12690, 100736), (13536, 94440), (14166, 90240), (15040, 84996), (15740, 81216), (16920, 75552), (17280, 73978), (18048, 70830), (18888, 67680), (20304, 62960), (21249, 60160), (22560, 56664), (23610, 54144), (25184, 50760), (25380, 50368), (27072, 47220), (28332, 45120), (30080, 42498), (31480, 40608), (33840, 37776), (34560, 36989), (35415, 36096)]