20161621272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{270379}}^1$

素因数の和:270640

約数の個数: 64

約数和(自身を含む): 54508608000

約数和(自身を除く): 34346986728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 478, 717, 956, 1434, 1912, 2868, 3107, 5736, 6214, 9321, 12428, 18642, 24856, 37284, 74568, 270379, 540758, 811137, 1081516, 1622274, 2163032, 3244548, 3514927, 6489096, 7029854, 10544781, 14059708, 21089562, 28119416, 42179124, 64620581, 84358248, 129241162, 193861743, 258482324, 387723486, 516964648, 775446972, 840067553, 1550893944, 1680135106, 2520202659, 3360270212, 5040405318, 6720540424, 10080810636, 20161621272]

約数ペア:

[(1, 20161621272), (2, 10080810636), (3, 6720540424), (4, 5040405318), (6, 3360270212), (8, 2520202659), (12, 1680135106), (13, 1550893944), (24, 840067553), (26, 775446972), (39, 516964648), (52, 387723486), (78, 258482324), (104, 193861743), (156, 129241162), (239, 84358248), (312, 64620581), (478, 42179124), (717, 28119416), (956, 21089562), (1434, 14059708), (1912, 10544781), (2868, 7029854), (3107, 6489096), (5736, 3514927), (6214, 3244548), (9321, 2163032), (12428, 1622274), (18642, 1081516), (24856, 811137), (37284, 540758), (74568, 270379)]