1816765020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1441877}}^1$

素因数の和:1441899

約数の個数: 72

約数和(自身を含む): 6298123104

約数和(自身を除く): 4481358084

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, 1441877, 2883754, 4325631, 5767508, 7209385, 8651262, 10093139, 12976893, 14418770, 17302524, 20186278, 21628155, 25953786, 28837540, 30279417, 40372556, 43256310, 50465695, 51907572, 60558834, 64884465, 86512620, 90838251, 100931390, 121117668, 129768930, 151397085, 181676502, 201862780, 259537860, 302794170, 363353004, 454191255, 605588340, 908382510, 1816765020]

約数ペア:

[(1, 1816765020), (2, 908382510), (3, 605588340), (4, 454191255), (5, 363353004), (6, 302794170), (7, 259537860), (9, 201862780), (10, 181676502), (12, 151397085), (14, 129768930), (15, 121117668), (18, 100931390), (20, 90838251), (21, 86512620), (28, 64884465), (30, 60558834), (35, 51907572), (36, 50465695), (42, 43256310), (45, 40372556), (60, 30279417), (63, 28837540), (70, 25953786), (84, 21628155), (90, 20186278), (105, 17302524), (126, 14418770), (140, 12976893), (180, 10093139), (210, 8651262), (252, 7209385), (315, 5767508), (420, 4325631), (630, 2883754), (1260, 1441877)]