219585840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{914941}}^1$

素因数の和:914957

約数の個数: 40

約数和(自身を含む): 680716848

約数和(自身を除く): 461131008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 914941, 1829882, 2744823, 3659764, 4574705, 5489646, 7319528, 9149410, 10979292, 13724115, 14639056, 18298820, 21958584, 27448230, 36597640, 43917168, 54896460, 73195280, 109792920, 219585840]

約数ペア:

[(1, 219585840), (2, 109792920), (3, 73195280), (4, 54896460), (5, 43917168), (6, 36597640), (8, 27448230), (10, 21958584), (12, 18298820), (15, 14639056), (16, 13724115), (20, 10979292), (24, 9149410), (30, 7319528), (40, 5489646), (48, 4574705), (60, 3659764), (80, 2744823), (120, 1829882), (240, 914941)]