255765720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 918973440

約数和(自身を除く): 663207720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 73, 84, 86, 97, 105, 120, 129, 140, 146, 168, 172, 194, 210, 215, 219, 258, 280, 291, 292, 301, 344, 365, 388, 420, 430, 438, 485, 511, 516, 582, 584, 602, 645, 679, 730, 776, 840, 860, 876, 903, 970, 1022, 1032, 1095, 1164, 1204, 1290, 1358, 1455, 1460, 1505, 1533, 1720, 1752, 1806, 1940, 2037, 2044, 2190, 2328, 2408, 2555, 2580, 2716, 2910, 2920, 3010, 3066, 3139, 3395, 3612, 3880, 4074, 4088, 4171, 4380, 4515, 5110, 5160, 5432, 5820, 6020, 6132, 6278, 6790, 7081, 7224, 7665, 8148, 8342, 8760, 9030, 9417, 10185, 10220, 11640, 12040, 12264, 12513, 12556, 13580, 14162, 15330, 15695, 16296, 16684, 18060, 18834, 20370, 20440, 20855, 21243, 21973, 25026, 25112, 27160, 28324, 29197, 30660, 31390, 33368, 35405, 36120, 37668, 40740, 41710, 42486, 43946, 47085, 49567, 50052, 56648, 58394, 61320, 62565, 62780, 65919, 70810, 75336, 81480, 83420, 84972, 87591, 87892, 94170, 99134, 100104, 106215, 109865, 116788, 125130, 125560, 131838, 141620, 145985, 148701, 166840, 169944, 175182, 175784, 188340, 198268, 212430, 219730, 233576, 247835, 250260, 263676, 283240, 291970, 297402, 304483, 329595, 350364, 376680, 396536, 424860, 437955, 439460, 495670, 500520, 527352, 583940, 594804, 608966, 659190, 700728, 743505, 849720, 875910, 878920, 913449, 991340, 1167880, 1189608, 1217932, 1318380, 1487010, 1522415, 1751820, 1826898, 1982680, 2131381, 2435864, 2636760, 2974020, 3044830, 3503640, 3653796, 4262762, 4567245, 5948040, 6089660, 6394143, 7307592, 8525524, 9134490, 10656905, 12179320, 12788286, 17051048, 18268980, 21313810, 25576572, 31970715, 36537960, 42627620, 51153144, 63941430, 85255240, 127882860, 255765720]

約数ペア:

[(1, 255765720), (2, 127882860), (3, 85255240), (4, 63941430), (5, 51153144), (6, 42627620), (7, 36537960), (8, 31970715), (10, 25576572), (12, 21313810), (14, 18268980), (15, 17051048), (20, 12788286), (21, 12179320), (24, 10656905), (28, 9134490), (30, 8525524), (35, 7307592), (40, 6394143), (42, 6089660), (43, 5948040), (56, 4567245), (60, 4262762), (70, 3653796), (73, 3503640), (84, 3044830), (86, 2974020), (97, 2636760), (105, 2435864), (120, 2131381), (129, 1982680), (140, 1826898), (146, 1751820), (168, 1522415), (172, 1487010), (194, 1318380), (210, 1217932), (215, 1189608), (219, 1167880), (258, 991340), (280, 913449), (291, 878920), (292, 875910), (301, 849720), (344, 743505), (365, 700728), (388, 659190), (420, 608966), (430, 594804), (438, 583940), (485, 527352), (511, 500520), (516, 495670), (582, 439460), (584, 437955), (602, 424860), (645, 396536), (679, 376680), (730, 350364), (776, 329595), (840, 304483), (860, 297402), (876, 291970), (903, 283240), (970, 263676), (1022, 250260), (1032, 247835), (1095, 233576), (1164, 219730), (1204, 212430), (1290, 198268), (1358, 188340), (1455, 175784), (1460, 175182), (1505, 169944), (1533, 166840), (1720, 148701), (1752, 145985), (1806, 141620), (1940, 131838), (2037, 125560), (2044, 125130), (2190, 116788), (2328, 109865), (2408, 106215), (2555, 100104), (2580, 99134), (2716, 94170), (2910, 87892), (2920, 87591), (3010, 84972), (3066, 83420), (3139, 81480), (3395, 75336), (3612, 70810), (3880, 65919), (4074, 62780), (4088, 62565), (4171, 61320), (4380, 58394), (4515, 56648), (5110, 50052), (5160, 49567), (5432, 47085), (5820, 43946), (6020, 42486), (6132, 41710), (6278, 40740), (6790, 37668), (7081, 36120), (7224, 35405), (7665, 33368), (8148, 31390), (8342, 30660), (8760, 29197), (9030, 28324), (9417, 27160), (10185, 25112), (10220, 25026), (11640, 21973), (12040, 21243), (12264, 20855), (12513, 20440), (12556, 20370), (13580, 18834), (14162, 18060), (15330, 16684), (15695, 16296)]