79850220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21817}}^1$

素因数の和:21890

約数の個数: 48

約数和(自身を含む): 227256288

約数和(自身を除く): 147406068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21817, 43634, 65451, 87268, 109085, 130902, 218170, 261804, 327255, 436340, 654510, 1309020, 1330837, 2661674, 3992511, 5323348, 6654185, 7985022, 13308370, 15970044, 19962555, 26616740, 39925110, 79850220]

約数ペア:

[(1, 79850220), (2, 39925110), (3, 26616740), (4, 19962555), (5, 15970044), (6, 13308370), (10, 7985022), (12, 6654185), (15, 5323348), (20, 3992511), (30, 2661674), (60, 1330837), (61, 1309020), (122, 654510), (183, 436340), (244, 327255), (305, 261804), (366, 218170), (610, 130902), (732, 109085), (915, 87268), (1220, 65451), (1830, 43634), (3660, 21817)]