81768456

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 288390960

約数和(自身を除く): 206622504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 43, 44, 49, 56, 63, 66, 72, 77, 84, 86, 88, 98, 99, 126, 129, 132, 147, 154, 168, 172, 196, 198, 231, 252, 258, 264, 294, 301, 308, 343, 344, 387, 392, 396, 441, 462, 473, 504, 516, 539, 588, 602, 616, 686, 693, 774, 792, 882, 903, 924, 946, 1029, 1032, 1078, 1176, 1204, 1372, 1386, 1419, 1548, 1617, 1764, 1806, 1848, 1892, 2058, 2107, 2156, 2401, 2408, 2709, 2744, 2772, 2838, 3087, 3096, 3234, 3311, 3528, 3612, 3773, 3784, 4116, 4214, 4257, 4312, 4802, 4851, 5418, 5544, 5676, 6174, 6321, 6468, 6622, 7203, 7224, 7546, 8232, 8428, 8514, 9604, 9702, 9933, 10836, 11319, 11352, 12348, 12642, 12936, 13244, 14406, 14749, 15092, 16856, 17028, 18963, 19208, 19404, 19866, 21609, 21672, 22638, 23177, 24696, 25284, 26411, 26488, 28812, 29498, 29799, 30184, 33957, 34056, 37926, 38808, 39732, 43218, 44247, 45276, 46354, 50568, 52822, 57624, 58996, 59598, 67914, 69531, 75852, 79233, 79464, 86436, 88494, 90552, 92708, 103243, 105644, 117992, 119196, 132741, 135828, 139062, 151704, 158466, 162239, 172872, 176988, 185416, 206486, 208593, 211288, 237699, 238392, 265482, 271656, 278124, 309729, 316932, 324478, 353976, 412972, 417186, 475398, 486717, 530964, 556248, 619458, 633864, 648956, 825944, 834372, 929187, 950796, 973434, 1061928, 1135673, 1238916, 1297912, 1460151, 1668744, 1858374, 1901592, 1946868, 2271346, 2477832, 2920302, 3407019, 3716748, 3893736, 4542692, 5840604, 6814038, 7433496, 9085384, 10221057, 11681208, 13628076, 20442114, 27256152, 40884228, 81768456]

約数ペア:

[(1, 81768456), (2, 40884228), (3, 27256152), (4, 20442114), (6, 13628076), (7, 11681208), (8, 10221057), (9, 9085384), (11, 7433496), (12, 6814038), (14, 5840604), (18, 4542692), (21, 3893736), (22, 3716748), (24, 3407019), (28, 2920302), (33, 2477832), (36, 2271346), (42, 1946868), (43, 1901592), (44, 1858374), (49, 1668744), (56, 1460151), (63, 1297912), (66, 1238916), (72, 1135673), (77, 1061928), (84, 973434), (86, 950796), (88, 929187), (98, 834372), (99, 825944), (126, 648956), (129, 633864), (132, 619458), (147, 556248), (154, 530964), (168, 486717), (172, 475398), (196, 417186), (198, 412972), (231, 353976), (252, 324478), (258, 316932), (264, 309729), (294, 278124), (301, 271656), (308, 265482), (343, 238392), (344, 237699), (387, 211288), (392, 208593), (396, 206486), (441, 185416), (462, 176988), (473, 172872), (504, 162239), (516, 158466), (539, 151704), (588, 139062), (602, 135828), (616, 132741), (686, 119196), (693, 117992), (774, 105644), (792, 103243), (882, 92708), (903, 90552), (924, 88494), (946, 86436), (1029, 79464), (1032, 79233), (1078, 75852), (1176, 69531), (1204, 67914), (1372, 59598), (1386, 58996), (1419, 57624), (1548, 52822), (1617, 50568), (1764, 46354), (1806, 45276), (1848, 44247), (1892, 43218), (2058, 39732), (2107, 38808), (2156, 37926), (2401, 34056), (2408, 33957), (2709, 30184), (2744, 29799), (2772, 29498), (2838, 28812), (3087, 26488), (3096, 26411), (3234, 25284), (3311, 24696), (3528, 23177), (3612, 22638), (3773, 21672), (3784, 21609), (4116, 19866), (4214, 19404), (4257, 19208), (4312, 18963), (4802, 17028), (4851, 16856), (5418, 15092), (5544, 14749), (5676, 14406), (6174, 13244), (6321, 12936), (6468, 12642), (6622, 12348), (7203, 11352), (7224, 11319), (7546, 10836), (8232, 9933), (8428, 9702), (8514, 9604)]