1820591520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1219

約数の個数: 192

約数和(自身を含む): 6277824000

約数和(自身を除く): 4457232480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 499, 528, 660, 691, 880, 998, 1056, 1320, 1382, 1497, 1760, 1996, 2073, 2495, 2640, 2764, 2994, 3455, 3992, 4146, 4990, 5280, 5489, 5528, 5988, 6910, 7485, 7601, 7984, 8292, 9980, 10365, 10978, 11056, 11976, 13820, 14970, 15202, 15968, 16467, 16584, 19960, 20730, 21956, 22112, 22803, 23952, 27445, 27640, 29940, 30404, 32934, 33168, 38005, 39920, 41460, 43912, 45606, 47904, 54890, 55280, 59880, 60808, 65868, 66336, 76010, 79840, 82335, 82920, 87824, 91212, 109780, 110560, 114015, 119760, 121616, 131736, 152020, 164670, 165840, 175648, 182424, 219560, 228030, 239520, 243232, 263472, 304040, 329340, 331680, 344809, 364848, 439120, 456060, 526944, 608080, 658680, 689618, 729696, 878240, 912120, 1034427, 1216160, 1317360, 1379236, 1724045, 1824240, 2068854, 2634720, 2758472, 3448090, 3648480, 3792899, 4137708, 5172135, 5516944, 6896180, 7585798, 8275416, 10344270, 11033888, 11378697, 13792360, 15171596, 16550832, 18964495, 20688540, 22757394, 27584720, 30343192, 33101664, 37928990, 41377080, 45514788, 55169440, 56893485, 60686384, 75857980, 82754160, 91029576, 113786970, 121372768, 151715960, 165508320, 182059152, 227573940, 303431920, 364118304, 455147880, 606863840, 910295760, 1820591520]

約数ペア:

[(1, 1820591520), (2, 910295760), (3, 606863840), (4, 455147880), (5, 364118304), (6, 303431920), (8, 227573940), (10, 182059152), (11, 165508320), (12, 151715960), (15, 121372768), (16, 113786970), (20, 91029576), (22, 82754160), (24, 75857980), (30, 60686384), (32, 56893485), (33, 55169440), (40, 45514788), (44, 41377080), (48, 37928990), (55, 33101664), (60, 30343192), (66, 27584720), (80, 22757394), (88, 20688540), (96, 18964495), (110, 16550832), (120, 15171596), (132, 13792360), (160, 11378697), (165, 11033888), (176, 10344270), (220, 8275416), (240, 7585798), (264, 6896180), (330, 5516944), (352, 5172135), (440, 4137708), (480, 3792899), (499, 3648480), (528, 3448090), (660, 2758472), (691, 2634720), (880, 2068854), (998, 1824240), (1056, 1724045), (1320, 1379236), (1382, 1317360), (1497, 1216160), (1760, 1034427), (1996, 912120), (2073, 878240), (2495, 729696), (2640, 689618), (2764, 658680), (2994, 608080), (3455, 526944), (3992, 456060), (4146, 439120), (4990, 364848), (5280, 344809), (5489, 331680), (5528, 329340), (5988, 304040), (6910, 263472), (7485, 243232), (7601, 239520), (7984, 228030), (8292, 219560), (9980, 182424), (10365, 175648), (10978, 165840), (11056, 164670), (11976, 152020), (13820, 131736), (14970, 121616), (15202, 119760), (15968, 114015), (16467, 110560), (16584, 109780), (19960, 91212), (20730, 87824), (21956, 82920), (22112, 82335), (22803, 79840), (23952, 76010), (27445, 66336), (27640, 65868), (29940, 60808), (30404, 59880), (32934, 55280), (33168, 54890), (38005, 47904), (39920, 45606), (41460, 43912)]