31209000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 99290880

約数和(自身を除く): 68081880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 101, 103, 120, 125, 150, 200, 202, 206, 250, 300, 303, 309, 375, 404, 412, 500, 505, 515, 600, 606, 618, 750, 808, 824, 1000, 1010, 1030, 1212, 1236, 1500, 1515, 1545, 2020, 2060, 2424, 2472, 2525, 2575, 3000, 3030, 3090, 4040, 4120, 5050, 5150, 6060, 6180, 7575, 7725, 10100, 10300, 10403, 12120, 12360, 12625, 12875, 15150, 15450, 20200, 20600, 20806, 25250, 25750, 30300, 30900, 31209, 37875, 38625, 41612, 50500, 51500, 52015, 60600, 61800, 62418, 75750, 77250, 83224, 101000, 103000, 104030, 124836, 151500, 154500, 156045, 208060, 249672, 260075, 303000, 309000, 312090, 416120, 520150, 624180, 780225, 1040300, 1248360, 1300375, 1560450, 2080600, 2600750, 3120900, 3901125, 5201500, 6241800, 7802250, 10403000, 15604500, 31209000]

約数ペア:

[(1, 31209000), (2, 15604500), (3, 10403000), (4, 7802250), (5, 6241800), (6, 5201500), (8, 3901125), (10, 3120900), (12, 2600750), (15, 2080600), (20, 1560450), (24, 1300375), (25, 1248360), (30, 1040300), (40, 780225), (50, 624180), (60, 520150), (75, 416120), (100, 312090), (101, 309000), (103, 303000), (120, 260075), (125, 249672), (150, 208060), (200, 156045), (202, 154500), (206, 151500), (250, 124836), (300, 104030), (303, 103000), (309, 101000), (375, 83224), (404, 77250), (412, 75750), (500, 62418), (505, 61800), (515, 60600), (600, 52015), (606, 51500), (618, 50500), (750, 41612), (808, 38625), (824, 37875), (1000, 31209), (1010, 30900), (1030, 30300), (1212, 25750), (1236, 25250), (1500, 20806), (1515, 20600), (1545, 20200), (2020, 15450), (2060, 15150), (2424, 12875), (2472, 12625), (2525, 12360), (2575, 12120), (3000, 10403), (3030, 10300), (3090, 10100), (4040, 7725), (4120, 7575), (5050, 6180), (5150, 6060)]