28009767.000000000

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 256

約数和(自身を含む): 801964800

約数和(自身を除く): 580494720

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, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 380, 384, 390, 416, 456, 467, 480, 494, 520, 570, 608, 624, 640, 741, 760, 780, 832, 912, 934, 960, 988, 1040, 1140, 1216, 1235, 1248, 1401, 1482, 1520, 1560, 1664, 1824, 1868, 1920, 1976, 2080, 2280, 2335, 2432, 2470, 2496, 2802, 2964, 3040, 3120, 3648, 3705, 3736, 3952, 4160, 4560, 4670, 4940, 4992, 5604, 5928, 6071, 6080, 6240, 7005, 7296, 7410, 7472, 7904, 8320, 8873, 9120, 9340, 9880, 11208, 11856, 12142, 12160, 12480, 14010, 14820, 14944, 15808, 17746, 18213, 18240, 18680, 19760, 22416, 23712, 24284, 24960, 26619, 28020, 29640, 29888, 30355, 31616, 35492, 36426, 36480, 37360, 39520, 44365, 44832, 47424, 48568, 53238, 56040, 59280, 59776, 60710, 70984, 72852, 74720, 79040, 88730, 89664, 91065, 94848, 97136, 106476, 112080, 115349, 118560, 121420, 133095, 141968, 145704, 149440, 158080, 177460, 179328, 182130, 194272, 212952, 224160, 230698, 237120, 242840, 266190, 283936, 291408, 298880, 346047, 354920, 364260, 388544, 425904, 448320, 461396, 474240, 485680, 532380, 567872, 576745, 582816, 692094, 709840, 728520, 777088, 851808, 896640, 922792, 971360, 1064760, 1135744, 1153490, 1165632, 1384188, 1419680, 1457040, 1703616, 1730235, 1845584, 1942720, 2129520, 2306980, 2331264, 2768376, 2839360, 2914080, 3407232, 3460470, 3691168, 3885440, 4259040, 4613960, 5536752, 5678720, 5828160, 6920940, 7382336, 8518080, 9227920, 11073504, 11656320, 13841880, 14764672, 17036160, 18455840, 22147008, 27683760, 36911680, 44294016, 55367520, 73823360, 110735040, 221470080]

約数ペア:

[(1, 221470080), (2, 110735040), (3, 73823360), (4, 55367520), (5, 44294016), (6, 36911680), (8, 27683760), (10, 22147008), (12, 18455840), (13, 17036160), (15, 14764672), (16, 13841880), (19, 11656320), (20, 11073504), (24, 9227920), (26, 8518080), (30, 7382336), (32, 6920940), (38, 5828160), (39, 5678720), (40, 5536752), (48, 4613960), (52, 4259040), (57, 3885440), (60, 3691168), (64, 3460470), (65, 3407232), (76, 2914080), (78, 2839360), (80, 2768376), (95, 2331264), (96, 2306980), (104, 2129520), (114, 1942720), (120, 1845584), (128, 1730235), (130, 1703616), (152, 1457040), (156, 1419680), (160, 1384188), (190, 1165632), (192, 1153490), (195, 1135744), (208, 1064760), (228, 971360), (240, 922792), (247, 896640), (260, 851808), (285, 777088), (304, 728520), (312, 709840), (320, 692094), (380, 582816), (384, 576745), (390, 567872), (416, 532380), (456, 485680), (467, 474240), (480, 461396), (494, 448320), (520, 425904), (570, 388544), (608, 364260), (624, 354920), (640, 346047), (741, 298880), (760, 291408), (780, 283936), (832, 266190), (912, 242840), (934, 237120), (960, 230698), (988, 224160), (1040, 212952), (1140, 194272), (1216, 182130), (1235, 179328), (1248, 177460), (1401, 158080), (1482, 149440), (1520, 145704), (1560, 141968), (1664, 133095), (1824, 121420), (1868, 118560), (1920, 115349), (1976, 112080), (2080, 106476), (2280, 97136), (2335, 94848), (2432, 91065), (2470, 89664), (2496, 88730), (2802, 79040), (2964, 74720), (3040, 72852), (3120, 70984), (3648, 60710), (3705, 59776), (3736, 59280), (3952, 56040), (4160, 53238), (4560, 48568), (4670, 47424), (4940, 44832), (4992, 44365), (5604, 39520), (5928, 37360), (6071, 36480), (6080, 36426), (6240, 35492), (7005, 31616), (7296, 30355), (7410, 29888), (7472, 29640), (7904, 28020), (8320, 26619), (8873, 24960), (9120, 24284), (9340, 23712), (9880, 22416), (11208, 19760), (11856, 18680), (12142, 18240), (12160, 18213), (12480, 17746), (14010, 15808), (14820, 14944)]