30405945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 24337095

約数列:

[1, 3, 5, 15, 17, 43, 47, 51, 59, 85, 129, 141, 177, 215, 235, 255, 295, 645, 705, 731, 799, 885, 1003, 2021, 2193, 2397, 2537, 2773, 3009, 3655, 3995, 5015, 6063, 7611, 8319, 10105, 10965, 11985, 12685, 13865, 15045, 30315, 34357, 38055, 41595, 43129, 47141, 103071, 119239, 129387, 141423, 171785, 215645, 235705, 357717, 515355, 596195, 646935, 707115, 1788585, 2027063, 6081189, 10135315, 30405945]

約数ペア:

[(1, 30405945), (3, 10135315), (5, 6081189), (15, 2027063), (17, 1788585), (43, 707115), (47, 646935), (51, 596195), (59, 515355), (85, 357717), (129, 235705), (141, 215645), (177, 171785), (215, 141423), (235, 129387), (255, 119239), (295, 103071), (645, 47141), (705, 43129), (731, 41595), (799, 38055), (885, 34357), (1003, 30315), (2021, 15045), (2193, 13865), (2397, 12685), (2537, 11985), (2773, 10965), (3009, 10105), (3655, 8319), (3995, 7611), (5015, 6063)]