245069640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{680749}}^1$

素因数の和:680766

約数の個数: 48

約数和(自身を含む): 796477500

約数和(自身を除く): 551407860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 680749, 1361498, 2042247, 2722996, 3403745, 4084494, 5445992, 6126741, 6807490, 8168988, 10211235, 12253482, 13614980, 16337976, 20422470, 24506964, 27229960, 30633705, 40844940, 49013928, 61267410, 81689880, 122534820, 245069640]

約数ペア:

[(1, 245069640), (2, 122534820), (3, 81689880), (4, 61267410), (5, 49013928), (6, 40844940), (8, 30633705), (9, 27229960), (10, 24506964), (12, 20422470), (15, 16337976), (18, 13614980), (20, 12253482), (24, 10211235), (30, 8168988), (36, 6807490), (40, 6126741), (45, 5445992), (60, 4084494), (72, 3403745), (90, 2722996), (120, 2042247), (180, 1361498), (360, 680749)]