28069020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22277}}^1$

素因数の和:22299

約数の個数: 72

約数和(自身を含む): 97310304

約数和(自身を除く): 69241284

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, 22277, 44554, 66831, 89108, 111385, 133662, 155939, 200493, 222770, 267324, 311878, 334155, 400986, 445540, 467817, 623756, 668310, 779695, 801972, 935634, 1002465, 1336620, 1403451, 1559390, 1871268, 2004930, 2339085, 2806902, 3118780, 4009860, 4678170, 5613804, 7017255, 9356340, 14034510, 28069020]

約数ペア:

[(1, 28069020), (2, 14034510), (3, 9356340), (4, 7017255), (5, 5613804), (6, 4678170), (7, 4009860), (9, 3118780), (10, 2806902), (12, 2339085), (14, 2004930), (15, 1871268), (18, 1559390), (20, 1403451), (21, 1336620), (28, 1002465), (30, 935634), (35, 801972), (36, 779695), (42, 668310), (45, 623756), (60, 467817), (63, 445540), (70, 400986), (84, 334155), (90, 311878), (105, 267324), (126, 222770), (140, 200493), (180, 155939), (210, 133662), (252, 111385), (315, 89108), (420, 66831), (630, 44554), (1260, 22277)]