399310080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 288

約数和(自身を含む): 1449114240

約数和(自身を除く): 1049804160

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, 256, 260, 285, 304, 312, 320, 380, 384, 390, 416, 421, 456, 480, 494, 520, 570, 608, 624, 640, 741, 760, 768, 780, 832, 842, 912, 960, 988, 1040, 1140, 1216, 1235, 1248, 1263, 1280, 1482, 1520, 1560, 1664, 1684, 1824, 1920, 1976, 2080, 2105, 2280, 2432, 2470, 2496, 2526, 2964, 3040, 3120, 3328, 3368, 3648, 3705, 3840, 3952, 4160, 4210, 4560, 4864, 4940, 4992, 5052, 5473, 5928, 6080, 6240, 6315, 6736, 7296, 7410, 7904, 7999, 8320, 8420, 9120, 9880, 9984, 10104, 10946, 11856, 12160, 12480, 12630, 13472, 14592, 14820, 15808, 15998, 16419, 16640, 16840, 18240, 19760, 20208, 21892, 23712, 23997, 24320, 24960, 25260, 26944, 27365, 29640, 31616, 31996, 32838, 33680, 36480, 39520, 39995, 40416, 43784, 47424, 47994, 49920, 50520, 53888, 54730, 59280, 63232, 63992, 65676, 67360, 72960, 79040, 79990, 80832, 82095, 87568, 94848, 95988, 101040, 103987, 107776, 109460, 118560, 119985, 127984, 131352, 134720, 158080, 159980, 161664, 164190, 175136, 189696, 191976, 202080, 207974, 218920, 237120, 239970, 255968, 262704, 269440, 311961, 316160, 319960, 323328, 328380, 350272, 383952, 404160, 415948, 437840, 474240, 479940, 511936, 519935, 525408, 538880, 623922, 639920, 656760, 700544, 767904, 808320, 831896, 875680, 948480, 959880, 1023872, 1039870, 1050816, 1247844, 1279840, 1313520, 1401088, 1535808, 1559805, 1616640, 1663792, 1751360, 1919760, 2047744, 2079740, 2101632, 2495688, 2559680, 2627040, 3071616, 3119610, 3327584, 3502720, 3839520, 4159480, 4203264, 4991376, 5119360, 5254080, 6143232, 6239220, 6655168, 7005440, 7679040, 8318960, 9982752, 10238720, 10508160, 12478440, 13310336, 15358080, 16637920, 19965504, 21016320, 24956880, 26620672, 30716160, 33275840, 39931008, 49913760, 66551680, 79862016, 99827520, 133103360, 199655040, 399310080]

約数ペア:

[(1, 399310080), (2, 199655040), (3, 133103360), (4, 99827520), (5, 79862016), (6, 66551680), (8, 49913760), (10, 39931008), (12, 33275840), (13, 30716160), (15, 26620672), (16, 24956880), (19, 21016320), (20, 19965504), (24, 16637920), (26, 15358080), (30, 13310336), (32, 12478440), (38, 10508160), (39, 10238720), (40, 9982752), (48, 8318960), (52, 7679040), (57, 7005440), (60, 6655168), (64, 6239220), (65, 6143232), (76, 5254080), (78, 5119360), (80, 4991376), (95, 4203264), (96, 4159480), (104, 3839520), (114, 3502720), (120, 3327584), (128, 3119610), (130, 3071616), (152, 2627040), (156, 2559680), (160, 2495688), (190, 2101632), (192, 2079740), (195, 2047744), (208, 1919760), (228, 1751360), (240, 1663792), (247, 1616640), (256, 1559805), (260, 1535808), (285, 1401088), (304, 1313520), (312, 1279840), (320, 1247844), (380, 1050816), (384, 1039870), (390, 1023872), (416, 959880), (421, 948480), (456, 875680), (480, 831896), (494, 808320), (520, 767904), (570, 700544), (608, 656760), (624, 639920), (640, 623922), (741, 538880), (760, 525408), (768, 519935), (780, 511936), (832, 479940), (842, 474240), (912, 437840), (960, 415948), (988, 404160), (1040, 383952), (1140, 350272), (1216, 328380), (1235, 323328), (1248, 319960), (1263, 316160), (1280, 311961), (1482, 269440), (1520, 262704), (1560, 255968), (1664, 239970), (1684, 237120), (1824, 218920), (1920, 207974), (1976, 202080), (2080, 191976), (2105, 189696), (2280, 175136), (2432, 164190), (2470, 161664), (2496, 159980), (2526, 158080), (2964, 134720), (3040, 131352), (3120, 127984), (3328, 119985), (3368, 118560), (3648, 109460), (3705, 107776), (3840, 103987), (3952, 101040), (4160, 95988), (4210, 94848), (4560, 87568), (4864, 82095), (4940, 80832), (4992, 79990), (5052, 79040), (5473, 72960), (5928, 67360), (6080, 65676), (6240, 63992), (6315, 63232), (6736, 59280), (7296, 54730), (7410, 53888), (7904, 50520), (7999, 49920), (8320, 47994), (8420, 47424), (9120, 43784), (9880, 40416), (9984, 39995), (10104, 39520), (10946, 36480), (11856, 33680), (12160, 32838), (12480, 31996), (12630, 31616), (13472, 29640), (14592, 27365), (14820, 26944), (15808, 25260), (15998, 24960), (16419, 24320), (16640, 23997), (16840, 23712), (18240, 21892), (19760, 20208)]