64266660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 195596856

約数和(自身を除く): 131330196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 641, 1114, 1282, 1671, 1923, 2228, 2564, 2785, 3205, 3342, 3846, 5013, 5570, 5769, 6410, 6684, 7692, 8355, 9615, 10026, 11140, 11538, 12820, 16710, 19230, 20052, 23076, 25065, 28845, 33420, 38460, 50130, 57690, 100260, 115380, 357037, 714074, 1071111, 1428148, 1785185, 2142222, 3213333, 3570370, 4284444, 5355555, 6426666, 7140740, 10711110, 12853332, 16066665, 21422220, 32133330, 64266660]

約数ペア:

[(1, 64266660), (2, 32133330), (3, 21422220), (4, 16066665), (5, 12853332), (6, 10711110), (9, 7140740), (10, 6426666), (12, 5355555), (15, 4284444), (18, 3570370), (20, 3213333), (30, 2142222), (36, 1785185), (45, 1428148), (60, 1071111), (90, 714074), (180, 357037), (557, 115380), (641, 100260), (1114, 57690), (1282, 50130), (1671, 38460), (1923, 33420), (2228, 28845), (2564, 25065), (2785, 23076), (3205, 20052), (3342, 19230), (3846, 16710), (5013, 12820), (5570, 11538), (5769, 11140), (6410, 10026), (6684, 9615), (7692, 8355)]