15721728

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1891

約数の個数: 72

約数和(自身を含む): 45671136

約数和(自身を除く): 29949408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 528, 704, 768, 1056, 1408, 1861, 2112, 2816, 3722, 4224, 5583, 7444, 8448, 11166, 14888, 20471, 22332, 29776, 40942, 44664, 59552, 61413, 81884, 89328, 119104, 122826, 163768, 178656, 238208, 245652, 327536, 357312, 476416, 491304, 655072, 714624, 982608, 1310144, 1429248, 1965216, 2620288, 3930432, 5240576, 7860864, 15721728]

約数ペア:

[(1, 15721728), (2, 7860864), (3, 5240576), (4, 3930432), (6, 2620288), (8, 1965216), (11, 1429248), (12, 1310144), (16, 982608), (22, 714624), (24, 655072), (32, 491304), (33, 476416), (44, 357312), (48, 327536), (64, 245652), (66, 238208), (88, 178656), (96, 163768), (128, 122826), (132, 119104), (176, 89328), (192, 81884), (256, 61413), (264, 59552), (352, 44664), (384, 40942), (528, 29776), (704, 22332), (768, 20471), (1056, 14888), (1408, 11166), (1861, 8448), (2112, 7444), (2816, 5583), (3722, 4224)]