76420020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 214417728

約数和(自身を除く): 137997708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1282, 1923, 1987, 2564, 3205, 3846, 3974, 5961, 6410, 7692, 7948, 9615, 9935, 11922, 12820, 19230, 19870, 23844, 29805, 38460, 39740, 59610, 119220, 1273667, 2547334, 3821001, 5094668, 6368335, 7642002, 12736670, 15284004, 19105005, 25473340, 38210010, 76420020]

約数ペア:

[(1, 76420020), (2, 38210010), (3, 25473340), (4, 19105005), (5, 15284004), (6, 12736670), (10, 7642002), (12, 6368335), (15, 5094668), (20, 3821001), (30, 2547334), (60, 1273667), (641, 119220), (1282, 59610), (1923, 39740), (1987, 38460), (2564, 29805), (3205, 23844), (3846, 19870), (3974, 19230), (5961, 12820), (6410, 11922), (7692, 9935), (7948, 9615)]