28887780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11743}}^1$

素因数の和:11796

約数の個数: 48

約数和(自身を含む): 82865664

約数和(自身を除く): 53977884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 11743, 23486, 35229, 46972, 58715, 70458, 117430, 140916, 176145, 234860, 352290, 481463, 704580, 962926, 1444389, 1925852, 2407315, 2888778, 4814630, 5777556, 7221945, 9629260, 14443890, 28887780]

約数ペア:

[(1, 28887780), (2, 14443890), (3, 9629260), (4, 7221945), (5, 5777556), (6, 4814630), (10, 2888778), (12, 2407315), (15, 1925852), (20, 1444389), (30, 962926), (41, 704580), (60, 481463), (82, 352290), (123, 234860), (164, 176145), (205, 140916), (246, 117430), (410, 70458), (492, 58715), (615, 46972), (820, 35229), (1230, 23486), (2460, 11743)]