6430140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 19721520

約数和(自身を除く): 13291380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 257, 278, 417, 514, 556, 695, 771, 834, 1028, 1251, 1285, 1390, 1542, 1668, 2085, 2313, 2502, 2570, 2780, 3084, 3855, 4170, 4626, 5004, 5140, 6255, 7710, 8340, 9252, 11565, 12510, 15420, 23130, 25020, 35723, 46260, 71446, 107169, 142892, 178615, 214338, 321507, 357230, 428676, 535845, 643014, 714460, 1071690, 1286028, 1607535, 2143380, 3215070, 6430140]

約数ペア:

[(1, 6430140), (2, 3215070), (3, 2143380), (4, 1607535), (5, 1286028), (6, 1071690), (9, 714460), (10, 643014), (12, 535845), (15, 428676), (18, 357230), (20, 321507), (30, 214338), (36, 178615), (45, 142892), (60, 107169), (90, 71446), (139, 46260), (180, 35723), (257, 25020), (278, 23130), (417, 15420), (514, 12510), (556, 11565), (695, 9252), (771, 8340), (834, 7710), (1028, 6255), (1251, 5140), (1285, 5004), (1390, 4626), (1542, 4170), (1668, 3855), (2085, 3084), (2313, 2780), (2502, 2570)]