328781520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{456641}}^1$

素因数の和:456660

約数の個数: 60

約数和(自身を含む): 1104160356

約数和(自身を除く): 775378836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 456641, 913282, 1369923, 1826564, 2283205, 2739846, 3653128, 4109769, 4566410, 5479692, 6849615, 7306256, 8219538, 9132820, 10959384, 13699230, 16439076, 18265640, 20548845, 21918768, 27398460, 32878152, 36531280, 41097690, 54796920, 65756304, 82195380, 109593840, 164390760, 328781520]

約数ペア:

[(1, 328781520), (2, 164390760), (3, 109593840), (4, 82195380), (5, 65756304), (6, 54796920), (8, 41097690), (9, 36531280), (10, 32878152), (12, 27398460), (15, 21918768), (16, 20548845), (18, 18265640), (20, 16439076), (24, 13699230), (30, 10959384), (36, 9132820), (40, 8219538), (45, 7306256), (48, 6849615), (60, 5479692), (72, 4566410), (80, 4109769), (90, 3653128), (120, 2739846), (144, 2283205), (180, 1826564), (240, 1369923), (360, 913282), (720, 456641)]