280747080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1572

約数の個数: 128

約数和(自身を含む): 941414400

約数和(自身を除く): 660667320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 191, 216, 270, 360, 382, 540, 573, 764, 955, 1080, 1146, 1361, 1528, 1719, 1910, 2292, 2722, 2865, 3438, 3820, 4083, 4584, 5157, 5444, 5730, 6805, 6876, 7640, 8166, 8595, 10314, 10888, 11460, 12249, 13610, 13752, 16332, 17190, 20415, 20628, 22920, 24498, 25785, 27220, 32664, 34380, 36747, 40830, 41256, 48996, 51570, 54440, 61245, 68760, 73494, 81660, 97992, 103140, 122490, 146988, 163320, 183735, 206280, 244980, 259951, 293976, 367470, 489960, 519902, 734940, 779853, 1039804, 1299755, 1469880, 1559706, 2079608, 2339559, 2599510, 3119412, 3899265, 4679118, 5199020, 6238824, 7018677, 7798530, 9358236, 10398040, 11697795, 14037354, 15597060, 18716472, 23395590, 28074708, 31194120, 35093385, 46791180, 56149416, 70186770, 93582360, 140373540, 280747080]

約数ペア:

[(1, 280747080), (2, 140373540), (3, 93582360), (4, 70186770), (5, 56149416), (6, 46791180), (8, 35093385), (9, 31194120), (10, 28074708), (12, 23395590), (15, 18716472), (18, 15597060), (20, 14037354), (24, 11697795), (27, 10398040), (30, 9358236), (36, 7798530), (40, 7018677), (45, 6238824), (54, 5199020), (60, 4679118), (72, 3899265), (90, 3119412), (108, 2599510), (120, 2339559), (135, 2079608), (180, 1559706), (191, 1469880), (216, 1299755), (270, 1039804), (360, 779853), (382, 734940), (540, 519902), (573, 489960), (764, 367470), (955, 293976), (1080, 259951), (1146, 244980), (1361, 206280), (1528, 183735), (1719, 163320), (1910, 146988), (2292, 122490), (2722, 103140), (2865, 97992), (3438, 81660), (3820, 73494), (4083, 68760), (4584, 61245), (5157, 54440), (5444, 51570), (5730, 48996), (6805, 41256), (6876, 40830), (7640, 36747), (8166, 34380), (8595, 32664), (10314, 27220), (10888, 25785), (11460, 24498), (12249, 22920), (13610, 20628), (13752, 20415), (16332, 17190)]