155547520

素因数分解:

$2^7\times 5^1\times {\mathrm{359}}^1\times {\mathrm{677}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 373442400

約数和(自身を除く): 217894880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 359, 640, 677, 718, 1354, 1436, 1795, 2708, 2872, 3385, 3590, 5416, 5744, 6770, 7180, 10832, 11488, 13540, 14360, 21664, 22976, 27080, 28720, 43328, 45952, 54160, 57440, 86656, 108320, 114880, 216640, 229760, 243043, 433280, 486086, 972172, 1215215, 1944344, 2430430, 3888688, 4860860, 7777376, 9721720, 15554752, 19443440, 31109504, 38886880, 77773760, 155547520]

約数ペア:

[(1, 155547520), (2, 77773760), (4, 38886880), (5, 31109504), (8, 19443440), (10, 15554752), (16, 9721720), (20, 7777376), (32, 4860860), (40, 3888688), (64, 2430430), (80, 1944344), (128, 1215215), (160, 972172), (320, 486086), (359, 433280), (640, 243043), (677, 229760), (718, 216640), (1354, 114880), (1436, 108320), (1795, 86656), (2708, 57440), (2872, 54160), (3385, 45952), (3590, 43328), (5416, 28720), (5744, 27080), (6770, 22976), (7180, 21664), (10832, 14360), (11488, 13540)]