65439540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1723}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 199556448

約数和(自身を除く): 134116908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1723, 1899, 2110, 2532, 3165, 3446, 3798, 4220, 5169, 6330, 6892, 7596, 8615, 9495, 10338, 12660, 15507, 17230, 18990, 20676, 25845, 31014, 34460, 37980, 51690, 62028, 77535, 103380, 155070, 310140, 363553, 727106, 1090659, 1454212, 1817765, 2181318, 3271977, 3635530, 4362636, 5453295, 6543954, 7271060, 10906590, 13087908, 16359885, 21813180, 32719770, 65439540]

約数ペア:

[(1, 65439540), (2, 32719770), (3, 21813180), (4, 16359885), (5, 13087908), (6, 10906590), (9, 7271060), (10, 6543954), (12, 5453295), (15, 4362636), (18, 3635530), (20, 3271977), (30, 2181318), (36, 1817765), (45, 1454212), (60, 1090659), (90, 727106), (180, 363553), (211, 310140), (422, 155070), (633, 103380), (844, 77535), (1055, 62028), (1266, 51690), (1723, 37980), (1899, 34460), (2110, 31014), (2532, 25845), (3165, 20676), (3446, 18990), (3798, 17230), (4220, 15507), (5169, 12660), (6330, 10338), (6892, 9495), (7596, 8615)]