81572904

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 273162240

約数和(自身を除く): 191589336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 31, 36, 42, 46, 56, 62, 63, 69, 72, 84, 92, 93, 124, 126, 138, 161, 168, 184, 186, 207, 217, 227, 248, 252, 276, 279, 322, 372, 414, 434, 454, 483, 504, 552, 558, 644, 651, 681, 713, 744, 828, 868, 908, 966, 1116, 1288, 1302, 1362, 1426, 1449, 1589, 1656, 1736, 1816, 1932, 1953, 2043, 2139, 2232, 2604, 2724, 2852, 2898, 3178, 3864, 3906, 4086, 4278, 4767, 4991, 5208, 5221, 5448, 5704, 5796, 6356, 6417, 7037, 7812, 8172, 8556, 9534, 9982, 10442, 11592, 12712, 12834, 14074, 14301, 14973, 15624, 15663, 16344, 17112, 19068, 19964, 20884, 21111, 25668, 28148, 28602, 29946, 31326, 36547, 38136, 39928, 41768, 42222, 44919, 46989, 49259, 51336, 56296, 57204, 59892, 62652, 63333, 73094, 84444, 89838, 93978, 98518, 109641, 114408, 119784, 125304, 126666, 146188, 147777, 161851, 168888, 179676, 187956, 197036, 219282, 253332, 292376, 295554, 323702, 328923, 359352, 375912, 394072, 438564, 443331, 485553, 506664, 591108, 647404, 657846, 877128, 886662, 971106, 1132957, 1182216, 1294808, 1315692, 1456659, 1773324, 1942212, 2265914, 2631384, 2913318, 3398871, 3546648, 3884424, 4531828, 5826636, 6797742, 9063656, 10196613, 11653272, 13595484, 20393226, 27190968, 40786452, 81572904]

約数ペア:

[(1, 81572904), (2, 40786452), (3, 27190968), (4, 20393226), (6, 13595484), (7, 11653272), (8, 10196613), (9, 9063656), (12, 6797742), (14, 5826636), (18, 4531828), (21, 3884424), (23, 3546648), (24, 3398871), (28, 2913318), (31, 2631384), (36, 2265914), (42, 1942212), (46, 1773324), (56, 1456659), (62, 1315692), (63, 1294808), (69, 1182216), (72, 1132957), (84, 971106), (92, 886662), (93, 877128), (124, 657846), (126, 647404), (138, 591108), (161, 506664), (168, 485553), (184, 443331), (186, 438564), (207, 394072), (217, 375912), (227, 359352), (248, 328923), (252, 323702), (276, 295554), (279, 292376), (322, 253332), (372, 219282), (414, 197036), (434, 187956), (454, 179676), (483, 168888), (504, 161851), (552, 147777), (558, 146188), (644, 126666), (651, 125304), (681, 119784), (713, 114408), (744, 109641), (828, 98518), (868, 93978), (908, 89838), (966, 84444), (1116, 73094), (1288, 63333), (1302, 62652), (1362, 59892), (1426, 57204), (1449, 56296), (1589, 51336), (1656, 49259), (1736, 46989), (1816, 44919), (1932, 42222), (1953, 41768), (2043, 39928), (2139, 38136), (2232, 36547), (2604, 31326), (2724, 29946), (2852, 28602), (2898, 28148), (3178, 25668), (3864, 21111), (3906, 20884), (4086, 19964), (4278, 19068), (4767, 17112), (4991, 16344), (5208, 15663), (5221, 15624), (5448, 14973), (5704, 14301), (5796, 14074), (6356, 12834), (6417, 12712), (7037, 11592), (7812, 10442), (8172, 9982), (8556, 9534)]