2781240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 10834560

約数和(自身を除く): 8053320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 49, 55, 56, 60, 66, 70, 77, 84, 86, 88, 98, 105, 110, 120, 129, 132, 140, 147, 154, 165, 168, 172, 196, 210, 215, 220, 231, 245, 258, 264, 280, 294, 301, 308, 330, 344, 385, 392, 420, 430, 440, 462, 473, 490, 516, 539, 588, 602, 616, 645, 660, 735, 770, 840, 860, 903, 924, 946, 980, 1032, 1078, 1155, 1176, 1204, 1290, 1320, 1419, 1470, 1505, 1540, 1617, 1720, 1806, 1848, 1892, 1960, 2107, 2156, 2310, 2365, 2408, 2580, 2695, 2838, 2940, 3010, 3080, 3234, 3311, 3612, 3784, 4214, 4312, 4515, 4620, 4730, 5160, 5390, 5676, 5880, 6020, 6321, 6468, 6622, 7095, 7224, 8085, 8428, 9030, 9240, 9460, 9933, 10535, 10780, 11352, 12040, 12642, 12936, 13244, 14190, 16170, 16555, 16856, 18060, 18920, 19866, 21070, 21560, 23177, 25284, 26488, 28380, 31605, 32340, 33110, 36120, 39732, 42140, 46354, 49665, 50568, 56760, 63210, 64680, 66220, 69531, 79464, 84280, 92708, 99330, 115885, 126420, 132440, 139062, 185416, 198660, 231770, 252840, 278124, 347655, 397320, 463540, 556248, 695310, 927080, 1390620, 2781240]

約数ペア:

[(1, 2781240), (2, 1390620), (3, 927080), (4, 695310), (5, 556248), (6, 463540), (7, 397320), (8, 347655), (10, 278124), (11, 252840), (12, 231770), (14, 198660), (15, 185416), (20, 139062), (21, 132440), (22, 126420), (24, 115885), (28, 99330), (30, 92708), (33, 84280), (35, 79464), (40, 69531), (42, 66220), (43, 64680), (44, 63210), (49, 56760), (55, 50568), (56, 49665), (60, 46354), (66, 42140), (70, 39732), (77, 36120), (84, 33110), (86, 32340), (88, 31605), (98, 28380), (105, 26488), (110, 25284), (120, 23177), (129, 21560), (132, 21070), (140, 19866), (147, 18920), (154, 18060), (165, 16856), (168, 16555), (172, 16170), (196, 14190), (210, 13244), (215, 12936), (220, 12642), (231, 12040), (245, 11352), (258, 10780), (264, 10535), (280, 9933), (294, 9460), (301, 9240), (308, 9030), (330, 8428), (344, 8085), (385, 7224), (392, 7095), (420, 6622), (430, 6468), (440, 6321), (462, 6020), (473, 5880), (490, 5676), (516, 5390), (539, 5160), (588, 4730), (602, 4620), (616, 4515), (645, 4312), (660, 4214), (735, 3784), (770, 3612), (840, 3311), (860, 3234), (903, 3080), (924, 3010), (946, 2940), (980, 2838), (1032, 2695), (1078, 2580), (1155, 2408), (1176, 2365), (1204, 2310), (1290, 2156), (1320, 2107), (1419, 1960), (1470, 1892), (1505, 1848), (1540, 1806), (1617, 1720)]