144752720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{258487}}^1$

素因数の和:258507

約数の個数: 40

約数和(自身を含む): 384630144

約数和(自身を除く): 239877424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 258487, 516974, 1033948, 1292435, 1809409, 2067896, 2584870, 3618818, 4135792, 5169740, 7237636, 9047045, 10339480, 14475272, 18094090, 20678960, 28950544, 36188180, 72376360, 144752720]

約数ペア:

[(1, 144752720), (2, 72376360), (4, 36188180), (5, 28950544), (7, 20678960), (8, 18094090), (10, 14475272), (14, 10339480), (16, 9047045), (20, 7237636), (28, 5169740), (35, 4135792), (40, 3618818), (56, 2584870), (70, 2067896), (80, 1809409), (112, 1292435), (140, 1033948), (280, 516974), (560, 258487)]