27980160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 256

約数和(自身を含む): 102816000

約数和(自身を除く): 74835840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 59, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 118, 120, 128, 130, 152, 156, 160, 177, 190, 192, 195, 208, 228, 236, 240, 247, 260, 285, 295, 304, 312, 320, 354, 380, 384, 390, 416, 456, 472, 480, 494, 520, 570, 590, 608, 624, 640, 708, 741, 760, 767, 780, 832, 885, 912, 944, 960, 988, 1040, 1121, 1140, 1180, 1216, 1235, 1248, 1416, 1482, 1520, 1534, 1560, 1664, 1770, 1824, 1888, 1920, 1976, 2080, 2242, 2280, 2301, 2360, 2432, 2470, 2496, 2832, 2964, 3040, 3068, 3120, 3363, 3540, 3648, 3705, 3776, 3835, 3952, 4160, 4484, 4560, 4602, 4720, 4940, 4992, 5605, 5664, 5928, 6080, 6136, 6240, 6726, 7080, 7296, 7410, 7552, 7670, 7904, 8320, 8968, 9120, 9204, 9440, 9880, 11210, 11328, 11505, 11856, 12160, 12272, 12480, 13452, 14160, 14573, 14820, 15340, 15808, 16815, 17936, 18240, 18408, 18880, 19760, 22420, 22656, 23010, 23712, 24544, 24960, 26904, 28320, 29146, 29640, 30680, 31616, 33630, 35872, 36480, 36816, 37760, 39520, 43719, 44840, 46020, 47424, 49088, 53808, 56640, 58292, 59280, 61360, 67260, 71744, 72865, 73632, 79040, 87438, 89680, 92040, 94848, 98176, 107616, 113280, 116584, 118560, 122720, 134520, 143488, 145730, 147264, 158080, 174876, 179360, 184080, 215232, 218595, 233168, 237120, 245440, 269040, 291460, 294528, 349752, 358720, 368160, 430464, 437190, 466336, 474240, 490880, 538080, 582920, 699504, 717440, 736320, 874380, 932672, 1076160, 1165840, 1399008, 1472640, 1748760, 1865344, 2152320, 2331680, 2798016, 3497520, 4663360, 5596032, 6995040, 9326720, 13990080, 27980160]

約数ペア:

[(1, 27980160), (2, 13990080), (3, 9326720), (4, 6995040), (5, 5596032), (6, 4663360), (8, 3497520), (10, 2798016), (12, 2331680), (13, 2152320), (15, 1865344), (16, 1748760), (19, 1472640), (20, 1399008), (24, 1165840), (26, 1076160), (30, 932672), (32, 874380), (38, 736320), (39, 717440), (40, 699504), (48, 582920), (52, 538080), (57, 490880), (59, 474240), (60, 466336), (64, 437190), (65, 430464), (76, 368160), (78, 358720), (80, 349752), (95, 294528), (96, 291460), (104, 269040), (114, 245440), (118, 237120), (120, 233168), (128, 218595), (130, 215232), (152, 184080), (156, 179360), (160, 174876), (177, 158080), (190, 147264), (192, 145730), (195, 143488), (208, 134520), (228, 122720), (236, 118560), (240, 116584), (247, 113280), (260, 107616), (285, 98176), (295, 94848), (304, 92040), (312, 89680), (320, 87438), (354, 79040), (380, 73632), (384, 72865), (390, 71744), (416, 67260), (456, 61360), (472, 59280), (480, 58292), (494, 56640), (520, 53808), (570, 49088), (590, 47424), (608, 46020), (624, 44840), (640, 43719), (708, 39520), (741, 37760), (760, 36816), (767, 36480), (780, 35872), (832, 33630), (885, 31616), (912, 30680), (944, 29640), (960, 29146), (988, 28320), (1040, 26904), (1121, 24960), (1140, 24544), (1180, 23712), (1216, 23010), (1235, 22656), (1248, 22420), (1416, 19760), (1482, 18880), (1520, 18408), (1534, 18240), (1560, 17936), (1664, 16815), (1770, 15808), (1824, 15340), (1888, 14820), (1920, 14573), (1976, 14160), (2080, 13452), (2242, 12480), (2280, 12272), (2301, 12160), (2360, 11856), (2432, 11505), (2470, 11328), (2496, 11210), (2832, 9880), (2964, 9440), (3040, 9204), (3068, 9120), (3120, 8968), (3363, 8320), (3540, 7904), (3648, 7670), (3705, 7552), (3776, 7410), (3835, 7296), (3952, 7080), (4160, 6726), (4484, 6240), (4560, 6136), (4602, 6080), (4720, 5928), (4940, 5664), (4992, 5605)]