123077920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109891}}^1$

素因数の和:109913

約数の個数: 48

約数和(自身を含む): 332313408

約数和(自身を除く): 209235488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 109891, 219782, 439564, 549455, 769237, 879128, 1098910, 1538474, 1758256, 2197820, 3076948, 3516512, 3846185, 4395640, 6153896, 7692370, 8791280, 12307792, 15384740, 17582560, 24615584, 30769480, 61538960, 123077920]

約数ペア:

[(1, 123077920), (2, 61538960), (4, 30769480), (5, 24615584), (7, 17582560), (8, 15384740), (10, 12307792), (14, 8791280), (16, 7692370), (20, 6153896), (28, 4395640), (32, 3846185), (35, 3516512), (40, 3076948), (56, 2197820), (70, 1758256), (80, 1538474), (112, 1098910), (140, 879128), (160, 769237), (224, 549455), (280, 439564), (560, 219782), (1120, 109891)]