69256240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 166328640

約数和(自身を除く): 97072400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 137, 142, 178, 274, 284, 355, 356, 445, 548, 568, 685, 710, 712, 890, 1096, 1136, 1370, 1420, 1424, 1780, 2192, 2740, 2840, 3560, 5480, 5680, 6319, 7120, 9727, 10960, 12193, 12638, 19454, 24386, 25276, 31595, 38908, 48635, 48772, 50552, 60965, 63190, 77816, 97270, 97544, 101104, 121930, 126380, 155632, 194540, 195088, 243860, 252760, 389080, 487720, 505520, 778160, 865703, 975440, 1731406, 3462812, 4328515, 6925624, 8657030, 13851248, 17314060, 34628120, 69256240]

約数ペア:

[(1, 69256240), (2, 34628120), (4, 17314060), (5, 13851248), (8, 8657030), (10, 6925624), (16, 4328515), (20, 3462812), (40, 1731406), (71, 975440), (80, 865703), (89, 778160), (137, 505520), (142, 487720), (178, 389080), (274, 252760), (284, 243860), (355, 195088), (356, 194540), (445, 155632), (548, 126380), (568, 121930), (685, 101104), (710, 97544), (712, 97270), (890, 77816), (1096, 63190), (1136, 60965), (1370, 50552), (1420, 48772), (1424, 48635), (1780, 38908), (2192, 31595), (2740, 25276), (2840, 24386), (3560, 19454), (5480, 12638), (5680, 12193), (6319, 10960), (7120, 9727)]