257902560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{179099}}^1$

素因数の和:179120

約数の個数: 72

約数和(自身を含む): 880097400

約数和(自身を除く): 622194840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 179099, 358198, 537297, 716396, 895495, 1074594, 1432792, 1611891, 1790990, 2149188, 2686485, 2865584, 3223782, 3581980, 4298376, 5372970, 5731168, 6447564, 7163960, 8059455, 8596752, 10745940, 12895128, 14327920, 16118910, 17193504, 21491880, 25790256, 28655840, 32237820, 42983760, 51580512, 64475640, 85967520, 128951280, 257902560]

約数ペア:

[(1, 257902560), (2, 128951280), (3, 85967520), (4, 64475640), (5, 51580512), (6, 42983760), (8, 32237820), (9, 28655840), (10, 25790256), (12, 21491880), (15, 17193504), (16, 16118910), (18, 14327920), (20, 12895128), (24, 10745940), (30, 8596752), (32, 8059455), (36, 7163960), (40, 6447564), (45, 5731168), (48, 5372970), (60, 4298376), (72, 3581980), (80, 3223782), (90, 2865584), (96, 2686485), (120, 2149188), (144, 1790990), (160, 1611891), (180, 1432792), (240, 1074594), (288, 895495), (360, 716396), (480, 537297), (720, 358198), (1440, 179099)]