168681260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 398661648

約数和(自身を除く): 229980388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1621, 1892, 2365, 2420, 3242, 4730, 5203, 6484, 8105, 9460, 10406, 16210, 17831, 20812, 26015, 32420, 35662, 52030, 69703, 71324, 89155, 104060, 139406, 178310, 196141, 278812, 348515, 356620, 392282, 697030, 766733, 784564, 980705, 1394060, 1533466, 1961410, 3066932, 3833665, 3922820, 7667330, 8434063, 15334660, 16868126, 33736252, 42170315, 84340630, 168681260]

約数ペア:

[(1, 168681260), (2, 84340630), (4, 42170315), (5, 33736252), (10, 16868126), (11, 15334660), (20, 8434063), (22, 7667330), (43, 3922820), (44, 3833665), (55, 3066932), (86, 1961410), (110, 1533466), (121, 1394060), (172, 980705), (215, 784564), (220, 766733), (242, 697030), (430, 392282), (473, 356620), (484, 348515), (605, 278812), (860, 196141), (946, 178310), (1210, 139406), (1621, 104060), (1892, 89155), (2365, 71324), (2420, 69703), (3242, 52030), (4730, 35662), (5203, 32420), (6484, 26015), (8105, 20812), (9460, 17831), (10406, 16210)]