81075072

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 235620000

約数和(自身を除く): 154544928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 109, 128, 149, 156, 192, 208, 218, 298, 312, 327, 384, 416, 436, 447, 596, 624, 654, 832, 872, 894, 1192, 1248, 1308, 1417, 1664, 1744, 1788, 1937, 2384, 2496, 2616, 2834, 3488, 3576, 3874, 4251, 4768, 4992, 5232, 5668, 5811, 6976, 7152, 7748, 8502, 9536, 10464, 11336, 11622, 13952, 14304, 15496, 16241, 17004, 19072, 20928, 22672, 23244, 28608, 30992, 32482, 34008, 41856, 45344, 46488, 48723, 57216, 61984, 64964, 68016, 90688, 92976, 97446, 123968, 129928, 136032, 181376, 185952, 194892, 211133, 247936, 259856, 272064, 371904, 389784, 422266, 519712, 544128, 633399, 743808, 779568, 844532, 1039424, 1266798, 1559136, 1689064, 2078848, 2533596, 3118272, 3378128, 5067192, 6236544, 6756256, 10134384, 13512512, 20268768, 27025024, 40537536, 81075072]

約数ペア:

[(1, 81075072), (2, 40537536), (3, 27025024), (4, 20268768), (6, 13512512), (8, 10134384), (12, 6756256), (13, 6236544), (16, 5067192), (24, 3378128), (26, 3118272), (32, 2533596), (39, 2078848), (48, 1689064), (52, 1559136), (64, 1266798), (78, 1039424), (96, 844532), (104, 779568), (109, 743808), (128, 633399), (149, 544128), (156, 519712), (192, 422266), (208, 389784), (218, 371904), (298, 272064), (312, 259856), (327, 247936), (384, 211133), (416, 194892), (436, 185952), (447, 181376), (596, 136032), (624, 129928), (654, 123968), (832, 97446), (872, 92976), (894, 90688), (1192, 68016), (1248, 64964), (1308, 61984), (1417, 57216), (1664, 48723), (1744, 46488), (1788, 45344), (1937, 41856), (2384, 34008), (2496, 32482), (2616, 30992), (2834, 28608), (3488, 23244), (3576, 22672), (3874, 20928), (4251, 19072), (4768, 17004), (4992, 16241), (5232, 15496), (5668, 14304), (5811, 13952), (6976, 11622), (7152, 11336), (7748, 10464), (8502, 9536)]