80637912

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2281}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 218935080

約数和(自身を除く): 138297168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 982, 1473, 1964, 2281, 2946, 3928, 4419, 4562, 5892, 6843, 8838, 9124, 11784, 13686, 17676, 18248, 20529, 27372, 35352, 41058, 54744, 82116, 164232, 1119971, 2239942, 3359913, 4479884, 6719826, 8959768, 10079739, 13439652, 20159478, 26879304, 40318956, 80637912]

約数ペア:

[(1, 80637912), (2, 40318956), (3, 26879304), (4, 20159478), (6, 13439652), (8, 10079739), (9, 8959768), (12, 6719826), (18, 4479884), (24, 3359913), (36, 2239942), (72, 1119971), (491, 164232), (982, 82116), (1473, 54744), (1964, 41058), (2281, 35352), (2946, 27372), (3928, 20529), (4419, 18248), (4562, 17676), (5892, 13686), (6843, 11784), (8838, 9124)]