320410260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2777}}^1$

素因数の和:3433

約数の個数: 72

約数和(自身を含む): 973777896

約数和(自身を除く): 653367636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 1282, 1923, 2564, 2777, 3205, 3846, 5554, 5769, 6410, 7692, 8331, 9615, 11108, 11538, 12820, 13885, 16662, 19230, 23076, 24993, 27770, 28845, 33324, 38460, 41655, 49986, 55540, 57690, 83310, 99972, 115380, 124965, 166620, 249930, 499860, 1780057, 3560114, 5340171, 7120228, 8900285, 10680342, 16020513, 17800570, 21360684, 26700855, 32041026, 35601140, 53401710, 64082052, 80102565, 106803420, 160205130, 320410260]

約数ペア:

[(1, 320410260), (2, 160205130), (3, 106803420), (4, 80102565), (5, 64082052), (6, 53401710), (9, 35601140), (10, 32041026), (12, 26700855), (15, 21360684), (18, 17800570), (20, 16020513), (30, 10680342), (36, 8900285), (45, 7120228), (60, 5340171), (90, 3560114), (180, 1780057), (641, 499860), (1282, 249930), (1923, 166620), (2564, 124965), (2777, 115380), (3205, 99972), (3846, 83310), (5554, 57690), (5769, 55540), (6410, 49986), (7692, 41655), (8331, 38460), (9615, 33324), (11108, 28845), (11538, 27770), (12820, 24993), (13885, 23076), (16662, 19230)]