1611280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 4089024

約数和(自身を除く): 2477744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1831, 3662, 7324, 9155, 14648, 18310, 20141, 29296, 36620, 40282, 73240, 80564, 100705, 146480, 161128, 201410, 322256, 402820, 805640, 1611280]

約数ペア:

[(1, 1611280), (2, 805640), (4, 402820), (5, 322256), (8, 201410), (10, 161128), (11, 146480), (16, 100705), (20, 80564), (22, 73240), (40, 40282), (44, 36620), (55, 29296), (80, 20141), (88, 18310), (110, 14648), (176, 9155), (220, 7324), (440, 3662), (880, 1831)]