128290140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64793}}^1$

素因数の和:64819

約数の個数: 72

約数和(自身を含む): 424530288

約数和(自身を除く): 296240148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 64793, 129586, 194379, 259172, 323965, 388758, 583137, 647930, 712723, 777516, 971895, 1166274, 1295860, 1425446, 1943790, 2138169, 2332548, 2850892, 2915685, 3563615, 3887580, 4276338, 5831370, 6414507, 7127230, 8552676, 10690845, 11662740, 12829014, 14254460, 21381690, 25658028, 32072535, 42763380, 64145070, 128290140]

約数ペア:

[(1, 128290140), (2, 64145070), (3, 42763380), (4, 32072535), (5, 25658028), (6, 21381690), (9, 14254460), (10, 12829014), (11, 11662740), (12, 10690845), (15, 8552676), (18, 7127230), (20, 6414507), (22, 5831370), (30, 4276338), (33, 3887580), (36, 3563615), (44, 2915685), (45, 2850892), (55, 2332548), (60, 2138169), (66, 1943790), (90, 1425446), (99, 1295860), (110, 1166274), (132, 971895), (165, 777516), (180, 712723), (198, 647930), (220, 583137), (330, 388758), (396, 323965), (495, 259172), (660, 194379), (990, 129586), (1980, 64793)]