2760540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 7808640

約数和(自身を除く): 5048100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 331, 417, 556, 662, 695, 834, 993, 1324, 1390, 1655, 1668, 1986, 2085, 2780, 3310, 3972, 4170, 4965, 6620, 8340, 9930, 19860, 46009, 92018, 138027, 184036, 230045, 276054, 460090, 552108, 690135, 920180, 1380270, 2760540]

約数ペア:

[(1, 2760540), (2, 1380270), (3, 920180), (4, 690135), (5, 552108), (6, 460090), (10, 276054), (12, 230045), (15, 184036), (20, 138027), (30, 92018), (60, 46009), (139, 19860), (278, 9930), (331, 8340), (417, 6620), (556, 4965), (662, 4170), (695, 3972), (834, 3310), (993, 2780), (1324, 2085), (1390, 1986), (1655, 1668)]