165638720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1432

約数の個数: 112

約数和(自身を含む): 439734960

約数和(自身を除く): 274096240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 754, 832, 928, 1040, 1160, 1373, 1508, 1856, 1885, 2080, 2320, 2746, 3016, 3770, 4160, 4640, 5492, 6032, 6865, 7540, 9280, 10984, 12064, 13730, 15080, 17849, 21968, 24128, 27460, 30160, 35698, 39817, 43936, 54920, 60320, 71396, 79634, 87872, 89245, 109840, 120640, 142792, 159268, 178490, 199085, 219680, 285584, 318536, 356980, 398170, 439360, 517621, 571168, 637072, 713960, 796340, 1035242, 1142336, 1274144, 1427920, 1592680, 2070484, 2548288, 2588105, 2855840, 3185360, 4140968, 5176210, 5711680, 6370720, 8281936, 10352420, 12741440, 16563872, 20704840, 33127744, 41409680, 82819360, 165638720]

約数ペア:

[(1, 165638720), (2, 82819360), (4, 41409680), (5, 33127744), (8, 20704840), (10, 16563872), (13, 12741440), (16, 10352420), (20, 8281936), (26, 6370720), (29, 5711680), (32, 5176210), (40, 4140968), (52, 3185360), (58, 2855840), (64, 2588105), (65, 2548288), (80, 2070484), (104, 1592680), (116, 1427920), (130, 1274144), (145, 1142336), (160, 1035242), (208, 796340), (232, 713960), (260, 637072), (290, 571168), (320, 517621), (377, 439360), (416, 398170), (464, 356980), (520, 318536), (580, 285584), (754, 219680), (832, 199085), (928, 178490), (1040, 159268), (1160, 142792), (1373, 120640), (1508, 109840), (1856, 89245), (1885, 87872), (2080, 79634), (2320, 71396), (2746, 60320), (3016, 54920), (3770, 43936), (4160, 39817), (4640, 35698), (5492, 30160), (6032, 27460), (6865, 24128), (7540, 21968), (9280, 17849), (10984, 15080), (12064, 13730)]