51356340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40759}}^1$

素因数の和:40781

約数の個数: 72

約数和(自身を含む): 178039680

約数和(自身を除く): 126683340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40759, 81518, 122277, 163036, 203795, 244554, 285313, 366831, 407590, 489108, 570626, 611385, 733662, 815180, 855939, 1141252, 1222770, 1426565, 1467324, 1711878, 1834155, 2445540, 2567817, 2853130, 3423756, 3668310, 4279695, 5135634, 5706260, 7336620, 8559390, 10271268, 12839085, 17118780, 25678170, 51356340]

約数ペア:

[(1, 51356340), (2, 25678170), (3, 17118780), (4, 12839085), (5, 10271268), (6, 8559390), (7, 7336620), (9, 5706260), (10, 5135634), (12, 4279695), (14, 3668310), (15, 3423756), (18, 2853130), (20, 2567817), (21, 2445540), (28, 1834155), (30, 1711878), (35, 1467324), (36, 1426565), (42, 1222770), (45, 1141252), (60, 855939), (63, 815180), (70, 733662), (84, 611385), (90, 570626), (105, 489108), (126, 407590), (140, 366831), (180, 285313), (210, 244554), (252, 203795), (315, 163036), (420, 122277), (630, 81518), (1260, 40759)]