8160180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19429}}^1$

素因数の和:19448

約数の個数: 48

約数和(自身を含む): 26113920

約数和(自身を除く): 17953740

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, 19429, 38858, 58287, 77716, 97145, 116574, 136003, 194290, 233148, 272006, 291435, 388580, 408009, 544012, 582870, 680015, 816018, 1165740, 1360030, 1632036, 2040045, 2720060, 4080090, 8160180]

約数ペア:

[(1, 8160180), (2, 4080090), (3, 2720060), (4, 2040045), (5, 1632036), (6, 1360030), (7, 1165740), (10, 816018), (12, 680015), (14, 582870), (15, 544012), (20, 408009), (21, 388580), (28, 291435), (30, 272006), (35, 233148), (42, 194290), (60, 136003), (70, 116574), (84, 97145), (105, 77716), (140, 58287), (210, 38858), (420, 19429)]