65231280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90599}}^1$

素因数の和:90618

約数の個数: 60

約数和(自身を含む): 219070800

約数和(自身を除く): 153839520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 90599, 181198, 271797, 362396, 452995, 543594, 724792, 815391, 905990, 1087188, 1358985, 1449584, 1630782, 1811980, 2174376, 2717970, 3261564, 3623960, 4076955, 4348752, 5435940, 6523128, 7247920, 8153910, 10871880, 13046256, 16307820, 21743760, 32615640, 65231280]

約数ペア:

[(1, 65231280), (2, 32615640), (3, 21743760), (4, 16307820), (5, 13046256), (6, 10871880), (8, 8153910), (9, 7247920), (10, 6523128), (12, 5435940), (15, 4348752), (16, 4076955), (18, 3623960), (20, 3261564), (24, 2717970), (30, 2174376), (36, 1811980), (40, 1630782), (45, 1449584), (48, 1358985), (60, 1087188), (72, 905990), (80, 815391), (90, 724792), (120, 543594), (144, 452995), (180, 362396), (240, 271797), (360, 181198), (720, 90599)]