1644385140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{25447}}^1$

素因数の和:25821

約数の個数: 72

約数和(自身を含む): 5002058880

約数和(自身を除く): 3357673740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 3231, 3590, 4308, 5385, 6462, 7180, 10770, 12924, 16155, 21540, 25447, 32310, 50894, 64620, 76341, 101788, 127235, 152682, 229023, 254470, 305364, 381705, 458046, 508940, 763410, 916092, 1145115, 1526820, 2290230, 4580460, 9135473, 18270946, 27406419, 36541892, 45677365, 54812838, 82219257, 91354730, 109625676, 137032095, 164438514, 182709460, 274064190, 328877028, 411096285, 548128380, 822192570, 1644385140]

約数ペア:

[(1, 1644385140), (2, 822192570), (3, 548128380), (4, 411096285), (5, 328877028), (6, 274064190), (9, 182709460), (10, 164438514), (12, 137032095), (15, 109625676), (18, 91354730), (20, 82219257), (30, 54812838), (36, 45677365), (45, 36541892), (60, 27406419), (90, 18270946), (180, 9135473), (359, 4580460), (718, 2290230), (1077, 1526820), (1436, 1145115), (1795, 916092), (2154, 763410), (3231, 508940), (3590, 458046), (4308, 381705), (5385, 305364), (6462, 254470), (7180, 229023), (10770, 152682), (12924, 127235), (16155, 101788), (21540, 76341), (25447, 64620), (32310, 50894)]