30720040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59077}}^1$

素因数の和:59101

約数の個数: 32

約数和(自身を含む): 74438280

約数和(自身を除く): 43718240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59077, 118154, 236308, 295385, 472616, 590770, 768001, 1181540, 1536002, 2363080, 3072004, 3840005, 6144008, 7680010, 15360020, 30720040]

約数ペア:

[(1, 30720040), (2, 15360020), (4, 7680010), (5, 6144008), (8, 3840005), (10, 3072004), (13, 2363080), (20, 1536002), (26, 1181540), (40, 768001), (52, 590770), (65, 472616), (104, 295385), (130, 236308), (260, 118154), (520, 59077)]