89175420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1009}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 271318320

約数和(自身を除く): 182142900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1009, 1473, 1964, 2018, 2455, 2946, 3027, 4036, 4419, 4910, 5045, 5892, 6054, 7365, 8838, 9081, 9820, 10090, 12108, 14730, 15135, 17676, 18162, 20180, 22095, 29460, 30270, 36324, 44190, 45405, 60540, 88380, 90810, 181620, 495419, 990838, 1486257, 1981676, 2477095, 2972514, 4458771, 4954190, 5945028, 7431285, 8917542, 9908380, 14862570, 17835084, 22293855, 29725140, 44587710, 89175420]

約数ペア:

[(1, 89175420), (2, 44587710), (3, 29725140), (4, 22293855), (5, 17835084), (6, 14862570), (9, 9908380), (10, 8917542), (12, 7431285), (15, 5945028), (18, 4954190), (20, 4458771), (30, 2972514), (36, 2477095), (45, 1981676), (60, 1486257), (90, 990838), (180, 495419), (491, 181620), (982, 90810), (1009, 88380), (1473, 60540), (1964, 45405), (2018, 44190), (2455, 36324), (2946, 30270), (3027, 29460), (4036, 22095), (4419, 20180), (4910, 18162), (5045, 17676), (5892, 15135), (6054, 14730), (7365, 12108), (8838, 10090), (9081, 9820)]