668837680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{16361}}^1$

素因数の和:16454

約数の個数: 80

約数和(自身を含む): 1801652544

約数和(自身を除く): 1132814864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 16361, 20440, 32722, 40880, 65444, 81805, 114527, 130888, 163610, 229054, 261776, 327220, 458108, 572635, 654440, 916216, 1145270, 1194353, 1308880, 1832432, 2290540, 2388706, 4581080, 4777412, 5971765, 8360471, 9162160, 9554824, 11943530, 16720942, 19109648, 23887060, 33441884, 41802355, 47774120, 66883768, 83604710, 95548240, 133767536, 167209420, 334418840, 668837680]

約数ペア:

[(1, 668837680), (2, 334418840), (4, 167209420), (5, 133767536), (7, 95548240), (8, 83604710), (10, 66883768), (14, 47774120), (16, 41802355), (20, 33441884), (28, 23887060), (35, 19109648), (40, 16720942), (56, 11943530), (70, 9554824), (73, 9162160), (80, 8360471), (112, 5971765), (140, 4777412), (146, 4581080), (280, 2388706), (292, 2290540), (365, 1832432), (511, 1308880), (560, 1194353), (584, 1145270), (730, 916216), (1022, 654440), (1168, 572635), (1460, 458108), (2044, 327220), (2555, 261776), (2920, 229054), (4088, 163610), (5110, 130888), (5840, 114527), (8176, 81805), (10220, 65444), (16361, 40880), (20440, 32722)]