19748640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41143}}^1$

素因数の和:41161

約数の個数: 48

約数和(自身を含む): 62209728

約数和(自身を除く): 42461088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41143, 82286, 123429, 164572, 205715, 246858, 329144, 411430, 493716, 617145, 658288, 822860, 987432, 1234290, 1316576, 1645720, 1974864, 2468580, 3291440, 3949728, 4937160, 6582880, 9874320, 19748640]

約数ペア:

[(1, 19748640), (2, 9874320), (3, 6582880), (4, 4937160), (5, 3949728), (6, 3291440), (8, 2468580), (10, 1974864), (12, 1645720), (15, 1316576), (16, 1234290), (20, 987432), (24, 822860), (30, 658288), (32, 617145), (40, 493716), (48, 411430), (60, 329144), (80, 246858), (96, 205715), (120, 164572), (160, 123429), (240, 82286), (480, 41143)]