398537520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1660573}}^1$

素因数の和:1660589

約数の個数: 40

約数和(自身を含む): 1235467056

約数和(自身を除く): 836929536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1660573, 3321146, 4981719, 6642292, 8302865, 9963438, 13284584, 16605730, 19926876, 24908595, 26569168, 33211460, 39853752, 49817190, 66422920, 79707504, 99634380, 132845840, 199268760, 398537520]

約数ペア:

[(1, 398537520), (2, 199268760), (3, 132845840), (4, 99634380), (5, 79707504), (6, 66422920), (8, 49817190), (10, 39853752), (12, 33211460), (15, 26569168), (16, 24908595), (20, 19926876), (24, 16605730), (30, 13284584), (40, 9963438), (48, 8302865), (60, 6642292), (80, 4981719), (120, 3321146), (240, 1660573)]