2781000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 9734400

約数和(自身を除く): 6953400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 103, 108, 120, 125, 135, 150, 180, 200, 206, 216, 225, 250, 270, 300, 309, 360, 375, 412, 450, 500, 515, 540, 600, 618, 675, 750, 824, 900, 927, 1000, 1030, 1080, 1125, 1236, 1350, 1500, 1545, 1800, 1854, 2060, 2250, 2472, 2575, 2700, 2781, 3000, 3090, 3375, 3708, 4120, 4500, 4635, 5150, 5400, 5562, 6180, 6750, 7416, 7725, 9000, 9270, 10300, 11124, 12360, 12875, 13500, 13905, 15450, 18540, 20600, 22248, 23175, 25750, 27000, 27810, 30900, 37080, 38625, 46350, 51500, 55620, 61800, 69525, 77250, 92700, 103000, 111240, 115875, 139050, 154500, 185400, 231750, 278100, 309000, 347625, 463500, 556200, 695250, 927000, 1390500, 2781000]

約数ペア:

[(1, 2781000), (2, 1390500), (3, 927000), (4, 695250), (5, 556200), (6, 463500), (8, 347625), (9, 309000), (10, 278100), (12, 231750), (15, 185400), (18, 154500), (20, 139050), (24, 115875), (25, 111240), (27, 103000), (30, 92700), (36, 77250), (40, 69525), (45, 61800), (50, 55620), (54, 51500), (60, 46350), (72, 38625), (75, 37080), (90, 30900), (100, 27810), (103, 27000), (108, 25750), (120, 23175), (125, 22248), (135, 20600), (150, 18540), (180, 15450), (200, 13905), (206, 13500), (216, 12875), (225, 12360), (250, 11124), (270, 10300), (300, 9270), (309, 9000), (360, 7725), (375, 7416), (412, 6750), (450, 6180), (500, 5562), (515, 5400), (540, 5150), (600, 4635), (618, 4500), (675, 4120), (750, 3708), (824, 3375), (900, 3090), (927, 3000), (1000, 2781), (1030, 2700), (1080, 2575), (1125, 2472), (1236, 2250), (1350, 2060), (1500, 1854), (1545, 1800)]