261752640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{272659}}^1$

素因数の和:272679

約数の個数: 56

約数和(自身を含む): 831067680

約数和(自身を除く): 569315040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 272659, 545318, 817977, 1090636, 1363295, 1635954, 2181272, 2726590, 3271908, 4089885, 4362544, 5453180, 6543816, 8179770, 8725088, 10906360, 13087632, 16359540, 17450176, 21812720, 26175264, 32719080, 43625440, 52350528, 65438160, 87250880, 130876320, 261752640]

約数ペア:

[(1, 261752640), (2, 130876320), (3, 87250880), (4, 65438160), (5, 52350528), (6, 43625440), (8, 32719080), (10, 26175264), (12, 21812720), (15, 17450176), (16, 16359540), (20, 13087632), (24, 10906360), (30, 8725088), (32, 8179770), (40, 6543816), (48, 5453180), (60, 4362544), (64, 4089885), (80, 3271908), (96, 2726590), (120, 2181272), (160, 1635954), (192, 1363295), (240, 1090636), (320, 817977), (480, 545318), (960, 272659)]