7680420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 26345088

約数和(自身を除く): 18664668

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, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 431, 495, 540, 594, 660, 810, 862, 891, 990, 1188, 1293, 1485, 1620, 1724, 1782, 1980, 2155, 2586, 2970, 3564, 3879, 4310, 4455, 4741, 5172, 5940, 6465, 7758, 8620, 8910, 9482, 11637, 12930, 14223, 15516, 17820, 18964, 19395, 23274, 23705, 25860, 28446, 34911, 38790, 42669, 46548, 47410, 56892, 58185, 69822, 71115, 77580, 85338, 94820, 116370, 128007, 139644, 142230, 170676, 174555, 213345, 232740, 256014, 284460, 349110, 384021, 426690, 512028, 640035, 698220, 768042, 853380, 1280070, 1536084, 1920105, 2560140, 3840210, 7680420]

約数ペア:

[(1, 7680420), (2, 3840210), (3, 2560140), (4, 1920105), (5, 1536084), (6, 1280070), (9, 853380), (10, 768042), (11, 698220), (12, 640035), (15, 512028), (18, 426690), (20, 384021), (22, 349110), (27, 284460), (30, 256014), (33, 232740), (36, 213345), (44, 174555), (45, 170676), (54, 142230), (55, 139644), (60, 128007), (66, 116370), (81, 94820), (90, 85338), (99, 77580), (108, 71115), (110, 69822), (132, 58185), (135, 56892), (162, 47410), (165, 46548), (180, 42669), (198, 38790), (220, 34911), (270, 28446), (297, 25860), (324, 23705), (330, 23274), (396, 19395), (405, 18964), (431, 17820), (495, 15516), (540, 14223), (594, 12930), (660, 11637), (810, 9482), (862, 8910), (891, 8620), (990, 7758), (1188, 6465), (1293, 5940), (1485, 5172), (1620, 4741), (1724, 4455), (1782, 4310), (1980, 3879), (2155, 3564), (2586, 2970)]