87104080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 233735040

約数和(自身を除く): 146630960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1427, 1526, 1744, 2180, 2854, 3052, 3815, 4360, 5708, 6104, 7135, 7630, 8720, 9989, 11416, 12208, 14270, 15260, 19978, 22832, 28540, 30520, 39956, 49945, 57080, 61040, 79912, 99890, 114160, 155543, 159824, 199780, 311086, 399560, 622172, 777715, 799120, 1088801, 1244344, 1555430, 2177602, 2488688, 3110860, 4355204, 5444005, 6221720, 8710408, 10888010, 12443440, 17420816, 21776020, 43552040, 87104080]

約数ペア:

[(1, 87104080), (2, 43552040), (4, 21776020), (5, 17420816), (7, 12443440), (8, 10888010), (10, 8710408), (14, 6221720), (16, 5444005), (20, 4355204), (28, 3110860), (35, 2488688), (40, 2177602), (56, 1555430), (70, 1244344), (80, 1088801), (109, 799120), (112, 777715), (140, 622172), (218, 399560), (280, 311086), (436, 199780), (545, 159824), (560, 155543), (763, 114160), (872, 99890), (1090, 79912), (1427, 61040), (1526, 57080), (1744, 49945), (2180, 39956), (2854, 30520), (3052, 28540), (3815, 22832), (4360, 19978), (5708, 15260), (6104, 14270), (7135, 12208), (7630, 11416), (8720, 9989)]