85908780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1723}}^1$

素因数の和:2015

約数の個数: 72

約数和(自身を含む): 261682512

約数和(自身を除く): 175773732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 1723, 2493, 2770, 3324, 3446, 4155, 4986, 5169, 5540, 6892, 8310, 8615, 9972, 10338, 12465, 15507, 16620, 17230, 20676, 24930, 25845, 31014, 34460, 49860, 51690, 62028, 77535, 103380, 155070, 310140, 477271, 954542, 1431813, 1909084, 2386355, 2863626, 4295439, 4772710, 5727252, 7159065, 8590878, 9545420, 14318130, 17181756, 21477195, 28636260, 42954390, 85908780]

約数ペア:

[(1, 85908780), (2, 42954390), (3, 28636260), (4, 21477195), (5, 17181756), (6, 14318130), (9, 9545420), (10, 8590878), (12, 7159065), (15, 5727252), (18, 4772710), (20, 4295439), (30, 2863626), (36, 2386355), (45, 1909084), (60, 1431813), (90, 954542), (180, 477271), (277, 310140), (554, 155070), (831, 103380), (1108, 77535), (1385, 62028), (1662, 51690), (1723, 49860), (2493, 34460), (2770, 31014), (3324, 25845), (3446, 24930), (4155, 20676), (4986, 17230), (5169, 16620), (5540, 15507), (6892, 12465), (8310, 10338), (8615, 9972)]