2560140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 8709120

約数和(自身を除く): 6148980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 431, 495, 540, 594, 660, 862, 990, 1188, 1293, 1485, 1724, 1980, 2155, 2586, 2970, 3879, 4310, 4741, 5172, 5940, 6465, 7758, 8620, 9482, 11637, 12930, 14223, 15516, 18964, 19395, 23274, 23705, 25860, 28446, 38790, 42669, 46548, 47410, 56892, 58185, 71115, 77580, 85338, 94820, 116370, 128007, 142230, 170676, 213345, 232740, 256014, 284460, 426690, 512028, 640035, 853380, 1280070, 2560140]

約数ペア:

[(1, 2560140), (2, 1280070), (3, 853380), (4, 640035), (5, 512028), (6, 426690), (9, 284460), (10, 256014), (11, 232740), (12, 213345), (15, 170676), (18, 142230), (20, 128007), (22, 116370), (27, 94820), (30, 85338), (33, 77580), (36, 71115), (44, 58185), (45, 56892), (54, 47410), (55, 46548), (60, 42669), (66, 38790), (90, 28446), (99, 25860), (108, 23705), (110, 23274), (132, 19395), (135, 18964), (165, 15516), (180, 14223), (198, 12930), (220, 11637), (270, 9482), (297, 8620), (330, 7758), (396, 6465), (431, 5940), (495, 5172), (540, 4741), (594, 4310), (660, 3879), (862, 2970), (990, 2586), (1188, 2155), (1293, 1980), (1485, 1724)]