131756220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81331}}^1$

素因数の和:81352

約数の個数: 60

約数和(自身を含む): 413329224

約数和(自身を除く): 281573004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 81331, 162662, 243993, 325324, 406655, 487986, 731979, 813310, 975972, 1219965, 1463958, 1626620, 2195937, 2439930, 2927916, 3659895, 4391874, 4879860, 6587811, 7319790, 8783748, 10979685, 13175622, 14639580, 21959370, 26351244, 32939055, 43918740, 65878110, 131756220]

約数ペア:

[(1, 131756220), (2, 65878110), (3, 43918740), (4, 32939055), (5, 26351244), (6, 21959370), (9, 14639580), (10, 13175622), (12, 10979685), (15, 8783748), (18, 7319790), (20, 6587811), (27, 4879860), (30, 4391874), (36, 3659895), (45, 2927916), (54, 2439930), (60, 2195937), (81, 1626620), (90, 1463958), (108, 1219965), (135, 975972), (162, 813310), (180, 731979), (270, 487986), (324, 406655), (405, 325324), (540, 243993), (810, 162662), (1620, 81331)]