84071520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 240

約数和(自身を含む): 320166000

約数和(自身を除く): 236094480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 499, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 998, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1497, 1560, 1620, 1755, 1872, 1996, 2080, 2106, 2160, 2340, 2495, 2592, 2808, 2994, 3120, 3240, 3510, 3744, 3992, 4212, 4320, 4491, 4680, 4990, 5265, 5616, 5988, 6240, 6480, 6487, 7020, 7485, 7984, 8424, 8982, 9360, 9980, 10530, 11232, 11976, 12960, 12974, 13473, 14040, 14970, 15968, 16848, 17964, 18720, 19461, 19960, 21060, 22455, 23952, 25948, 26946, 28080, 29940, 32435, 33696, 35928, 38922, 39920, 40419, 42120, 44910, 47904, 51896, 53892, 56160, 58383, 59880, 64870, 67365, 71856, 77844, 79840, 80838, 84240, 89820, 97305, 103792, 107784, 116766, 119760, 129740, 134730, 143712, 155688, 161676, 168480, 175149, 179640, 194610, 202095, 207584, 215568, 233532, 239520, 259480, 269460, 291915, 311376, 323352, 350298, 359280, 389220, 404190, 431136, 467064, 518960, 525447, 538920, 583830, 622752, 646704, 700596, 718560, 778440, 808380, 875745, 934128, 1037920, 1050894, 1077840, 1167660, 1293408, 1401192, 1556880, 1616760, 1751490, 1868256, 2101788, 2155680, 2335320, 2627235, 2802384, 3113760, 3233520, 3502980, 4203576, 4670640, 5254470, 5604768, 6467040, 7005960, 8407152, 9341280, 10508940, 14011920, 16814304, 21017880, 28023840, 42035760, 84071520]

約数ペア:

[(1, 84071520), (2, 42035760), (3, 28023840), (4, 21017880), (5, 16814304), (6, 14011920), (8, 10508940), (9, 9341280), (10, 8407152), (12, 7005960), (13, 6467040), (15, 5604768), (16, 5254470), (18, 4670640), (20, 4203576), (24, 3502980), (26, 3233520), (27, 3113760), (30, 2802384), (32, 2627235), (36, 2335320), (39, 2155680), (40, 2101788), (45, 1868256), (48, 1751490), (52, 1616760), (54, 1556880), (60, 1401192), (65, 1293408), (72, 1167660), (78, 1077840), (80, 1050894), (81, 1037920), (90, 934128), (96, 875745), (104, 808380), (108, 778440), (117, 718560), (120, 700596), (130, 646704), (135, 622752), (144, 583830), (156, 538920), (160, 525447), (162, 518960), (180, 467064), (195, 431136), (208, 404190), (216, 389220), (234, 359280), (240, 350298), (260, 323352), (270, 311376), (288, 291915), (312, 269460), (324, 259480), (351, 239520), (360, 233532), (390, 215568), (405, 207584), (416, 202095), (432, 194610), (468, 179640), (480, 175149), (499, 168480), (520, 161676), (540, 155688), (585, 143712), (624, 134730), (648, 129740), (702, 119760), (720, 116766), (780, 107784), (810, 103792), (864, 97305), (936, 89820), (998, 84240), (1040, 80838), (1053, 79840), (1080, 77844), (1170, 71856), (1248, 67365), (1296, 64870), (1404, 59880), (1440, 58383), (1497, 56160), (1560, 53892), (1620, 51896), (1755, 47904), (1872, 44910), (1996, 42120), (2080, 40419), (2106, 39920), (2160, 38922), (2340, 35928), (2495, 33696), (2592, 32435), (2808, 29940), (2994, 28080), (3120, 26946), (3240, 25948), (3510, 23952), (3744, 22455), (3992, 21060), (4212, 19960), (4320, 19461), (4491, 18720), (4680, 17964), (4990, 16848), (5265, 15968), (5616, 14970), (5988, 14040), (6240, 13473), (6480, 12974), (6487, 12960), (7020, 11976), (7485, 11232), (7984, 10530), (8424, 9980), (8982, 9360)]