30371072

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 64753920

約数和(自身を除く): 34382848

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 89, 124, 128, 172, 178, 248, 256, 344, 356, 496, 688, 712, 992, 1333, 1376, 1424, 1984, 2666, 2752, 2759, 2848, 3827, 3968, 5332, 5504, 5518, 5696, 7654, 7936, 10664, 11008, 11036, 11392, 15308, 21328, 22072, 22784, 30616, 42656, 44144, 61232, 85312, 88288, 118637, 122464, 170624, 176576, 237274, 244928, 341248, 353152, 474548, 489856, 706304, 949096, 979712, 1898192, 3796384, 7592768, 15185536, 30371072]

約数ペア:

[(1, 30371072), (2, 15185536), (4, 7592768), (8, 3796384), (16, 1898192), (31, 979712), (32, 949096), (43, 706304), (62, 489856), (64, 474548), (86, 353152), (89, 341248), (124, 244928), (128, 237274), (172, 176576), (178, 170624), (248, 122464), (256, 118637), (344, 88288), (356, 85312), (496, 61232), (688, 44144), (712, 42656), (992, 30616), (1333, 22784), (1376, 22072), (1424, 21328), (1984, 15308), (2666, 11392), (2752, 11036), (2759, 11008), (2848, 10664), (3827, 7936), (3968, 7654), (5332, 5696), (5504, 5518)]