131183799920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^2\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1291

約数の個数: 120

約数和(自身を含む): 310108373520

約数和(自身を除く): 178924573600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 241, 356, 445, 482, 712, 859, 890, 964, 1205, 1424, 1718, 1780, 1928, 2410, 3436, 3560, 3856, 4295, 4820, 6872, 7120, 7921, 8590, 9640, 13744, 15842, 17180, 19280, 21449, 31684, 34360, 39605, 42898, 63368, 68720, 76451, 79210, 85796, 107245, 126736, 152902, 158420, 171592, 207019, 214490, 305804, 316840, 343184, 382255, 414038, 428980, 611608, 633680, 764510, 828076, 857960, 1035095, 1223216, 1529020, 1656152, 1715920, 1908961, 2070190, 3058040, 3312304, 3817922, 4140380, 6116080, 6804139, 7635844, 8280760, 9544805, 13608278, 15271688, 16561520, 18424691, 19089610, 27216556, 30543376, 34020695, 36849382, 38179220, 54433112, 68041390, 73698764, 76358440, 92123455, 108866224, 136082780, 147397528, 152716880, 184246910, 272165560, 294795056, 368493820, 544331120, 736987640, 1473975280, 1639797499, 3279594998, 6559189996, 8198987495, 13118379992, 16397974990, 26236759984, 32795949980, 65591899960, 131183799920]

約数ペア:

[(1, 131183799920), (2, 65591899960), (4, 32795949980), (5, 26236759984), (8, 16397974990), (10, 13118379992), (16, 8198987495), (20, 6559189996), (40, 3279594998), (80, 1639797499), (89, 1473975280), (178, 736987640), (241, 544331120), (356, 368493820), (445, 294795056), (482, 272165560), (712, 184246910), (859, 152716880), (890, 147397528), (964, 136082780), (1205, 108866224), (1424, 92123455), (1718, 76358440), (1780, 73698764), (1928, 68041390), (2410, 54433112), (3436, 38179220), (3560, 36849382), (3856, 34020695), (4295, 30543376), (4820, 27216556), (6872, 19089610), (7120, 18424691), (7921, 16561520), (8590, 15271688), (9640, 13608278), (13744, 9544805), (15842, 8280760), (17180, 7635844), (19280, 6804139), (21449, 6116080), (31684, 4140380), (34360, 3817922), (39605, 3312304), (42898, 3058040), (63368, 2070190), (68720, 1908961), (76451, 1715920), (79210, 1656152), (85796, 1529020), (107245, 1223216), (126736, 1035095), (152902, 857960), (158420, 828076), (171592, 764510), (207019, 633680), (214490, 611608), (305804, 428980), (316840, 414038), (343184, 382255)]