81719808

素因数分解:

$2^9\times 3^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 220673376

約数和(自身を除く): 138953568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 256, 332, 384, 498, 512, 641, 664, 768, 996, 1282, 1328, 1536, 1923, 1992, 2564, 2656, 3846, 3984, 5128, 5312, 7692, 7968, 10256, 10624, 15384, 15936, 20512, 21248, 30768, 31872, 41024, 42496, 53203, 61536, 63744, 82048, 106406, 123072, 127488, 159609, 164096, 212812, 246144, 319218, 328192, 425624, 492288, 638436, 851248, 984576, 1276872, 1702496, 2553744, 3404992, 5107488, 6809984, 10214976, 13619968, 20429952, 27239936, 40859904, 81719808]

約数ペア:

[(1, 81719808), (2, 40859904), (3, 27239936), (4, 20429952), (6, 13619968), (8, 10214976), (12, 6809984), (16, 5107488), (24, 3404992), (32, 2553744), (48, 1702496), (64, 1276872), (83, 984576), (96, 851248), (128, 638436), (166, 492288), (192, 425624), (249, 328192), (256, 319218), (332, 246144), (384, 212812), (498, 164096), (512, 159609), (641, 127488), (664, 123072), (768, 106406), (996, 82048), (1282, 63744), (1328, 61536), (1536, 53203), (1923, 42496), (1992, 41024), (2564, 31872), (2656, 30768), (3846, 21248), (3984, 20512), (5128, 15936), (5312, 15384), (7692, 10624), (7968, 10256)]