19468680

素因数分解:

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

素因数の和:89

約数の個数: 256

約数和(自身を含む): 76032000

約数和(自身を除く): 56563320

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, 343, 344, 385, 392, 420, 430, 440, 462, 473, 490, 516, 539, 588, 602, 616, 645, 660, 686, 735, 770, 840, 860, 903, 924, 946, 980, 1029, 1032, 1078, 1155, 1176, 1204, 1290, 1320, 1372, 1419, 1470, 1505, 1540, 1617, 1715, 1720, 1806, 1848, 1892, 1960, 2058, 2107, 2156, 2310, 2365, 2408, 2580, 2695, 2744, 2838, 2940, 3010, 3080, 3234, 3311, 3430, 3612, 3773, 3784, 4116, 4214, 4312, 4515, 4620, 4730, 5145, 5160, 5390, 5676, 5880, 6020, 6321, 6468, 6622, 6860, 7095, 7224, 7546, 8085, 8232, 8428, 9030, 9240, 9460, 9933, 10290, 10535, 10780, 11319, 11352, 12040, 12642, 12936, 13244, 13720, 14190, 14749, 15092, 16170, 16555, 16856, 18060, 18865, 18920, 19866, 20580, 21070, 21560, 22638, 23177, 25284, 26488, 28380, 29498, 30184, 31605, 32340, 33110, 36120, 37730, 39732, 41160, 42140, 44247, 45276, 46354, 49665, 50568, 56595, 56760, 58996, 63210, 64680, 66220, 69531, 73745, 75460, 79464, 84280, 88494, 90552, 92708, 99330, 113190, 115885, 117992, 126420, 132440, 139062, 147490, 150920, 162239, 176988, 185416, 198660, 221235, 226380, 231770, 252840, 278124, 294980, 324478, 347655, 353976, 397320, 442470, 452760, 463540, 486717, 556248, 589960, 648956, 695310, 811195, 884940, 927080, 973434, 1297912, 1390620, 1622390, 1769880, 1946868, 2433585, 2781240, 3244780, 3893736, 4867170, 6489560, 9734340, 19468680]

約数ペア:

[(1, 19468680), (2, 9734340), (3, 6489560), (4, 4867170), (5, 3893736), (6, 3244780), (7, 2781240), (8, 2433585), (10, 1946868), (11, 1769880), (12, 1622390), (14, 1390620), (15, 1297912), (20, 973434), (21, 927080), (22, 884940), (24, 811195), (28, 695310), (30, 648956), (33, 589960), (35, 556248), (40, 486717), (42, 463540), (43, 452760), (44, 442470), (49, 397320), (55, 353976), (56, 347655), (60, 324478), (66, 294980), (70, 278124), (77, 252840), (84, 231770), (86, 226380), (88, 221235), (98, 198660), (105, 185416), (110, 176988), (120, 162239), (129, 150920), (132, 147490), (140, 139062), (147, 132440), (154, 126420), (165, 117992), (168, 115885), (172, 113190), (196, 99330), (210, 92708), (215, 90552), (220, 88494), (231, 84280), (245, 79464), (258, 75460), (264, 73745), (280, 69531), (294, 66220), (301, 64680), (308, 63210), (330, 58996), (343, 56760), (344, 56595), (385, 50568), (392, 49665), (420, 46354), (430, 45276), (440, 44247), (462, 42140), (473, 41160), (490, 39732), (516, 37730), (539, 36120), (588, 33110), (602, 32340), (616, 31605), (645, 30184), (660, 29498), (686, 28380), (735, 26488), (770, 25284), (840, 23177), (860, 22638), (903, 21560), (924, 21070), (946, 20580), (980, 19866), (1029, 18920), (1032, 18865), (1078, 18060), (1155, 16856), (1176, 16555), (1204, 16170), (1290, 15092), (1320, 14749), (1372, 14190), (1419, 13720), (1470, 13244), (1505, 12936), (1540, 12642), (1617, 12040), (1715, 11352), (1720, 11319), (1806, 10780), (1848, 10535), (1892, 10290), (1960, 9933), (2058, 9460), (2107, 9240), (2156, 9030), (2310, 8428), (2365, 8232), (2408, 8085), (2580, 7546), (2695, 7224), (2744, 7095), (2838, 6860), (2940, 6622), (3010, 6468), (3080, 6321), (3234, 6020), (3311, 5880), (3430, 5676), (3612, 5390), (3773, 5160), (3784, 5145), (4116, 4730), (4214, 4620), (4312, 4515)]