2780916765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 4931297280

約数和(自身を除く): 2150380515

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 239, 291, 485, 717, 727, 1067, 1195, 1455, 2181, 2629, 3201, 3585, 3635, 5335, 7887, 7997, 10905, 13145, 16005, 23183, 23991, 39435, 39985, 69549, 70519, 115915, 119955, 173753, 211557, 255013, 347745, 352595, 521259, 765039, 775709, 868765, 1057785, 1275065, 1911283, 2327127, 2606295, 3825195, 3878545, 5733849, 9556415, 11635635, 16854041, 28669245, 50562123, 84270205, 185394451, 252810615, 556183353, 926972255, 2780916765]

約数ペア:

[(1, 2780916765), (3, 926972255), (5, 556183353), (11, 252810615), (15, 185394451), (33, 84270205), (55, 50562123), (97, 28669245), (165, 16854041), (239, 11635635), (291, 9556415), (485, 5733849), (717, 3878545), (727, 3825195), (1067, 2606295), (1195, 2327127), (1455, 1911283), (2181, 1275065), (2629, 1057785), (3201, 868765), (3585, 775709), (3635, 765039), (5335, 521259), (7887, 352595), (7997, 347745), (10905, 255013), (13145, 211557), (16005, 173753), (23183, 119955), (23991, 115915), (39435, 70519), (39985, 69549)]