17288820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 52896480

約数和(自身を除く): 35607660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 691, 695, 834, 1251, 1382, 1390, 1668, 2073, 2085, 2502, 2764, 2780, 3455, 4146, 4170, 5004, 6219, 6255, 6910, 8292, 8340, 10365, 12438, 12510, 13820, 20730, 24876, 25020, 31095, 41460, 62190, 96049, 124380, 192098, 288147, 384196, 480245, 576294, 864441, 960490, 1152588, 1440735, 1728882, 1920980, 2881470, 3457764, 4322205, 5762940, 8644410, 17288820]

約数ペア:

[(1, 17288820), (2, 8644410), (3, 5762940), (4, 4322205), (5, 3457764), (6, 2881470), (9, 1920980), (10, 1728882), (12, 1440735), (15, 1152588), (18, 960490), (20, 864441), (30, 576294), (36, 480245), (45, 384196), (60, 288147), (90, 192098), (139, 124380), (180, 96049), (278, 62190), (417, 41460), (556, 31095), (691, 25020), (695, 24876), (834, 20730), (1251, 13820), (1382, 12510), (1390, 12438), (1668, 10365), (2073, 8340), (2085, 8292), (2502, 6910), (2764, 6255), (2780, 6219), (3455, 5004), (4146, 4170)]