72120160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9199}}^1$

素因数の和:9228

約数の個数: 72

約数和(自身を含む): 198223200

約数和(自身を除く): 126103040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9199, 18398, 36796, 45995, 64393, 73592, 91990, 128786, 147184, 183980, 257572, 294368, 321965, 367960, 450751, 515144, 643930, 735920, 901502, 1030288, 1287860, 1471840, 1803004, 2060576, 2253755, 2575720, 3606008, 4507510, 5151440, 7212016, 9015020, 10302880, 14424032, 18030040, 36060080, 72120160]

約数ペア:

[(1, 72120160), (2, 36060080), (4, 18030040), (5, 14424032), (7, 10302880), (8, 9015020), (10, 7212016), (14, 5151440), (16, 4507510), (20, 3606008), (28, 2575720), (32, 2253755), (35, 2060576), (40, 1803004), (49, 1471840), (56, 1287860), (70, 1030288), (80, 901502), (98, 735920), (112, 643930), (140, 515144), (160, 450751), (196, 367960), (224, 321965), (245, 294368), (280, 257572), (392, 183980), (490, 147184), (560, 128786), (784, 91990), (980, 73592), (1120, 64393), (1568, 45995), (1960, 36796), (3920, 18398), (7840, 9199)]