81827928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 256

約数和(自身を含む): 293529600

約数和(自身を除く): 211701672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 27, 28, 36, 39, 42, 46, 52, 54, 56, 63, 69, 72, 78, 84, 91, 92, 104, 108, 117, 126, 138, 156, 161, 168, 181, 182, 184, 189, 207, 216, 234, 252, 273, 276, 299, 312, 322, 351, 362, 364, 378, 414, 468, 483, 504, 543, 546, 552, 598, 621, 644, 702, 724, 728, 756, 819, 828, 897, 936, 966, 1086, 1092, 1196, 1242, 1267, 1288, 1404, 1448, 1449, 1512, 1629, 1638, 1656, 1794, 1932, 2093, 2172, 2184, 2353, 2392, 2457, 2484, 2534, 2691, 2808, 2898, 3258, 3276, 3588, 3801, 3864, 4163, 4186, 4344, 4347, 4706, 4887, 4914, 4968, 5068, 5382, 5796, 6279, 6516, 6552, 7059, 7176, 7602, 8073, 8326, 8372, 8694, 9412, 9774, 9828, 10136, 10764, 11403, 11592, 12489, 12558, 13032, 14118, 15204, 16146, 16471, 16652, 16744, 17388, 18824, 18837, 19548, 19656, 21177, 21528, 22806, 24978, 25116, 28236, 29141, 30408, 32292, 32942, 33304, 34209, 34776, 37467, 37674, 39096, 42354, 45612, 49413, 49956, 50232, 54119, 56472, 56511, 58282, 63531, 64584, 65884, 68418, 74934, 75348, 84708, 87423, 91224, 98826, 99912, 108238, 112401, 113022, 116564, 127062, 131768, 136836, 148239, 149868, 150696, 162357, 169416, 174846, 197652, 216476, 224802, 226044, 233128, 254124, 262269, 273672, 296478, 299736, 324714, 349692, 378833, 395304, 432952, 444717, 449604, 452088, 487071, 508248, 524538, 592956, 649428, 699384, 757666, 786807, 889434, 899208, 974142, 1049076, 1136499, 1185912, 1298856, 1461213, 1515332, 1573614, 1778868, 1948284, 2098152, 2272998, 2922426, 3030664, 3147228, 3409497, 3557736, 3896568, 4545996, 5844852, 6294456, 6818994, 9091992, 10228491, 11689704, 13637988, 20456982, 27275976, 40913964, 81827928]

約数ペア:

[(1, 81827928), (2, 40913964), (3, 27275976), (4, 20456982), (6, 13637988), (7, 11689704), (8, 10228491), (9, 9091992), (12, 6818994), (13, 6294456), (14, 5844852), (18, 4545996), (21, 3896568), (23, 3557736), (24, 3409497), (26, 3147228), (27, 3030664), (28, 2922426), (36, 2272998), (39, 2098152), (42, 1948284), (46, 1778868), (52, 1573614), (54, 1515332), (56, 1461213), (63, 1298856), (69, 1185912), (72, 1136499), (78, 1049076), (84, 974142), (91, 899208), (92, 889434), (104, 786807), (108, 757666), (117, 699384), (126, 649428), (138, 592956), (156, 524538), (161, 508248), (168, 487071), (181, 452088), (182, 449604), (184, 444717), (189, 432952), (207, 395304), (216, 378833), (234, 349692), (252, 324714), (273, 299736), (276, 296478), (299, 273672), (312, 262269), (322, 254124), (351, 233128), (362, 226044), (364, 224802), (378, 216476), (414, 197652), (468, 174846), (483, 169416), (504, 162357), (543, 150696), (546, 149868), (552, 148239), (598, 136836), (621, 131768), (644, 127062), (702, 116564), (724, 113022), (728, 112401), (756, 108238), (819, 99912), (828, 98826), (897, 91224), (936, 87423), (966, 84708), (1086, 75348), (1092, 74934), (1196, 68418), (1242, 65884), (1267, 64584), (1288, 63531), (1404, 58282), (1448, 56511), (1449, 56472), (1512, 54119), (1629, 50232), (1638, 49956), (1656, 49413), (1794, 45612), (1932, 42354), (2093, 39096), (2172, 37674), (2184, 37467), (2353, 34776), (2392, 34209), (2457, 33304), (2484, 32942), (2534, 32292), (2691, 30408), (2808, 29141), (2898, 28236), (3258, 25116), (3276, 24978), (3588, 22806), (3801, 21528), (3864, 21177), (4163, 19656), (4186, 19548), (4344, 18837), (4347, 18824), (4706, 17388), (4887, 16744), (4914, 16652), (4968, 16471), (5068, 16146), (5382, 15204), (5796, 14118), (6279, 13032), (6516, 12558), (6552, 12489), (7059, 11592), (7176, 11403), (7602, 10764), (8073, 10136), (8326, 9828), (8372, 9774), (8694, 9412)]