128578860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238109}}^1$

素因数の和:238127

約数の個数: 48

約数和(自身を含む): 400024800

約数和(自身を除く): 271445940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238109, 476218, 714327, 952436, 1190545, 1428654, 2142981, 2381090, 2857308, 3571635, 4285962, 4762180, 6428943, 7143270, 8571924, 10714905, 12857886, 14286540, 21429810, 25715772, 32144715, 42859620, 64289430, 128578860]

約数ペア:

[(1, 128578860), (2, 64289430), (3, 42859620), (4, 32144715), (5, 25715772), (6, 21429810), (9, 14286540), (10, 12857886), (12, 10714905), (15, 8571924), (18, 7143270), (20, 6428943), (27, 4762180), (30, 4285962), (36, 3571635), (45, 2857308), (54, 2381090), (60, 2142981), (90, 1428654), (108, 1190545), (135, 952436), (180, 714327), (270, 476218), (540, 238109)]