68156940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21433}}^1$

素因数の和:21498

約数の個数: 48

約数和(自身を含む): 194449248

約数和(自身を除く): 126292308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 21433, 42866, 64299, 85732, 107165, 128598, 214330, 257196, 321495, 428660, 642990, 1135949, 1285980, 2271898, 3407847, 4543796, 5679745, 6815694, 11359490, 13631388, 17039235, 22718980, 34078470, 68156940]

約数ペア:

[(1, 68156940), (2, 34078470), (3, 22718980), (4, 17039235), (5, 13631388), (6, 11359490), (10, 6815694), (12, 5679745), (15, 4543796), (20, 3407847), (30, 2271898), (53, 1285980), (60, 1135949), (106, 642990), (159, 428660), (212, 321495), (265, 257196), (318, 214330), (530, 128598), (636, 107165), (795, 85732), (1060, 64299), (1590, 42866), (3180, 21433)]