855720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2377}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 2782260

約数和(自身を除く): 1926540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2377, 4754, 7131, 9508, 11885, 14262, 19016, 21393, 23770, 28524, 35655, 42786, 47540, 57048, 71310, 85572, 95080, 106965, 142620, 171144, 213930, 285240, 427860, 855720]

約数ペア:

[(1, 855720), (2, 427860), (3, 285240), (4, 213930), (5, 171144), (6, 142620), (8, 106965), (9, 95080), (10, 85572), (12, 71310), (15, 57048), (18, 47540), (20, 42786), (24, 35655), (30, 28524), (36, 23770), (40, 21393), (45, 19016), (60, 14262), (72, 11885), (90, 9508), (120, 7131), (180, 4754), (360, 2377)]