68039580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161999}}^1$

素因数の和:162018

約数の個数: 48

約数和(自身を含む): 217728000

約数和(自身を除く): 149688420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 161999, 323998, 485997, 647996, 809995, 971994, 1133993, 1619990, 1943988, 2267986, 2429985, 3239980, 3401979, 4535972, 4859970, 5669965, 6803958, 9719940, 11339930, 13607916, 17009895, 22679860, 34019790, 68039580]

約数ペア:

[(1, 68039580), (2, 34019790), (3, 22679860), (4, 17009895), (5, 13607916), (6, 11339930), (7, 9719940), (10, 6803958), (12, 5669965), (14, 4859970), (15, 4535972), (20, 3401979), (21, 3239980), (28, 2429985), (30, 2267986), (35, 1943988), (42, 1619990), (60, 1133993), (70, 971994), (84, 809995), (105, 647996), (140, 485997), (210, 323998), (420, 161999)]