256781700

素因数分解:

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

素因数の和:40786

約数の個数: 108

約数和(自身を含む): 919871680

約数和(自身を除く): 663089980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 40759, 81518, 122277, 163036, 203795, 244554, 285313, 366831, 407590, 489108, 570626, 611385, 733662, 815180, 855939, 1018975, 1141252, 1222770, 1426565, 1467324, 1711878, 1834155, 2037950, 2445540, 2567817, 2853130, 3056925, 3423756, 3668310, 4075900, 4279695, 5135634, 5706260, 6113850, 7132825, 7336620, 8559390, 9170775, 10271268, 12227700, 12839085, 14265650, 17118780, 18341550, 21398475, 25678170, 28531300, 36683100, 42796950, 51356340, 64195425, 85593900, 128390850, 256781700]

約数ペア:

[(1, 256781700), (2, 128390850), (3, 85593900), (4, 64195425), (5, 51356340), (6, 42796950), (7, 36683100), (9, 28531300), (10, 25678170), (12, 21398475), (14, 18341550), (15, 17118780), (18, 14265650), (20, 12839085), (21, 12227700), (25, 10271268), (28, 9170775), (30, 8559390), (35, 7336620), (36, 7132825), (42, 6113850), (45, 5706260), (50, 5135634), (60, 4279695), (63, 4075900), (70, 3668310), (75, 3423756), (84, 3056925), (90, 2853130), (100, 2567817), (105, 2445540), (126, 2037950), (140, 1834155), (150, 1711878), (175, 1467324), (180, 1426565), (210, 1222770), (225, 1141252), (252, 1018975), (300, 855939), (315, 815180), (350, 733662), (420, 611385), (450, 570626), (525, 489108), (630, 407590), (700, 366831), (900, 285313), (1050, 244554), (1260, 203795), (1575, 163036), (2100, 122277), (3150, 81518), (6300, 40759)]