262400220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2969}}^1$

素因数の和:3475

約数の個数: 72

約数和(自身を含む): 797837040

約数和(自身を除く): 535436820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2455, 2946, 2969, 4419, 4910, 5892, 5938, 7365, 8838, 8907, 9820, 11876, 14730, 14845, 17676, 17814, 22095, 26721, 29460, 29690, 35628, 44190, 44535, 53442, 59380, 88380, 89070, 106884, 133605, 178140, 267210, 534420, 1457779, 2915558, 4373337, 5831116, 7288895, 8746674, 13120011, 14577790, 17493348, 21866685, 26240022, 29155580, 43733370, 52480044, 65600055, 87466740, 131200110, 262400220]

約数ペア:

[(1, 262400220), (2, 131200110), (3, 87466740), (4, 65600055), (5, 52480044), (6, 43733370), (9, 29155580), (10, 26240022), (12, 21866685), (15, 17493348), (18, 14577790), (20, 13120011), (30, 8746674), (36, 7288895), (45, 5831116), (60, 4373337), (90, 2915558), (180, 1457779), (491, 534420), (982, 267210), (1473, 178140), (1964, 133605), (2455, 106884), (2946, 89070), (2969, 88380), (4419, 59380), (4910, 53442), (5892, 44535), (5938, 44190), (7365, 35628), (8838, 29690), (8907, 29460), (9820, 26721), (11876, 22095), (14730, 17814), (14845, 17676)]