30516920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1493}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 79600320

約数和(自身を除く): 49083400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1493, 2044, 2555, 2920, 2986, 4088, 5110, 5972, 7465, 10220, 10451, 11944, 14930, 20440, 20902, 29860, 41804, 52255, 59720, 83608, 104510, 108989, 209020, 217978, 418040, 435956, 544945, 762923, 871912, 1089890, 1525846, 2179780, 3051692, 3814615, 4359560, 6103384, 7629230, 15258460, 30516920]

約数ペア:

[(1, 30516920), (2, 15258460), (4, 7629230), (5, 6103384), (7, 4359560), (8, 3814615), (10, 3051692), (14, 2179780), (20, 1525846), (28, 1089890), (35, 871912), (40, 762923), (56, 544945), (70, 435956), (73, 418040), (140, 217978), (146, 209020), (280, 108989), (292, 104510), (365, 83608), (511, 59720), (584, 52255), (730, 41804), (1022, 29860), (1460, 20902), (1493, 20440), (2044, 14930), (2555, 11944), (2920, 10451), (2986, 10220), (4088, 7465), (5110, 5972)]