28173720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{234781}}^1$

素因数の和:234795

約数の個数: 32

約数和(自身を含む): 84521520

約数和(自身を除く): 56347800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 234781, 469562, 704343, 939124, 1173905, 1408686, 1878248, 2347810, 2817372, 3521715, 4695620, 5634744, 7043430, 9391240, 14086860, 28173720]

約数ペア:

[(1, 28173720), (2, 14086860), (3, 9391240), (4, 7043430), (5, 5634744), (6, 4695620), (8, 3521715), (10, 2817372), (12, 2347810), (15, 1878248), (20, 1408686), (24, 1173905), (30, 939124), (40, 704343), (60, 469562), (120, 234781)]