81938688

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 243808320

約数和(自身を除く): 161869632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 78, 87, 96, 104, 116, 128, 156, 174, 192, 208, 232, 256, 283, 312, 348, 377, 384, 416, 464, 566, 624, 696, 754, 768, 832, 849, 928, 1131, 1132, 1248, 1392, 1508, 1664, 1698, 1856, 2262, 2264, 2496, 2784, 3016, 3328, 3396, 3679, 3712, 4524, 4528, 4992, 5568, 6032, 6792, 7358, 7424, 8207, 9048, 9056, 9984, 11037, 11136, 12064, 13584, 14716, 16414, 18096, 18112, 22074, 22272, 24128, 24621, 27168, 29432, 32828, 36192, 36224, 44148, 48256, 49242, 54336, 58864, 65656, 72384, 72448, 88296, 96512, 98484, 106691, 108672, 117728, 131312, 144768, 176592, 196968, 213382, 217344, 235456, 262624, 289536, 320073, 353184, 393936, 426764, 470912, 525248, 640146, 706368, 787872, 853528, 941824, 1050496, 1280292, 1412736, 1575744, 1707056, 2100992, 2560584, 2825472, 3151488, 3414112, 5121168, 6302976, 6828224, 10242336, 13656448, 20484672, 27312896, 40969344, 81938688]

約数ペア:

[(1, 81938688), (2, 40969344), (3, 27312896), (4, 20484672), (6, 13656448), (8, 10242336), (12, 6828224), (13, 6302976), (16, 5121168), (24, 3414112), (26, 3151488), (29, 2825472), (32, 2560584), (39, 2100992), (48, 1707056), (52, 1575744), (58, 1412736), (64, 1280292), (78, 1050496), (87, 941824), (96, 853528), (104, 787872), (116, 706368), (128, 640146), (156, 525248), (174, 470912), (192, 426764), (208, 393936), (232, 353184), (256, 320073), (283, 289536), (312, 262624), (348, 235456), (377, 217344), (384, 213382), (416, 196968), (464, 176592), (566, 144768), (624, 131312), (696, 117728), (754, 108672), (768, 106691), (832, 98484), (849, 96512), (928, 88296), (1131, 72448), (1132, 72384), (1248, 65656), (1392, 58864), (1508, 54336), (1664, 49242), (1698, 48256), (1856, 44148), (2262, 36224), (2264, 36192), (2496, 32828), (2784, 29432), (3016, 27168), (3328, 24621), (3396, 24128), (3679, 22272), (3712, 22074), (4524, 18112), (4528, 18096), (4992, 16414), (5568, 14716), (6032, 13584), (6792, 12064), (7358, 11136), (7424, 11037), (8207, 9984), (9048, 9056)]