138512480

素因数分解:

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

素因数の和:312

約数の個数: 96

約数和(自身を含む): 338022720

約数和(自身を除く): 199510240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 89, 137, 142, 160, 178, 274, 284, 355, 356, 445, 548, 568, 685, 710, 712, 890, 1096, 1136, 1370, 1420, 1424, 1780, 2192, 2272, 2740, 2840, 2848, 3560, 4384, 5480, 5680, 6319, 7120, 9727, 10960, 11360, 12193, 12638, 14240, 19454, 21920, 24386, 25276, 31595, 38908, 48635, 48772, 50552, 60965, 63190, 77816, 97270, 97544, 101104, 121930, 126380, 155632, 194540, 195088, 202208, 243860, 252760, 311264, 389080, 390176, 487720, 505520, 778160, 865703, 975440, 1011040, 1556320, 1731406, 1950880, 3462812, 4328515, 6925624, 8657030, 13851248, 17314060, 27702496, 34628120, 69256240, 138512480]

約数ペア:

[(1, 138512480), (2, 69256240), (4, 34628120), (5, 27702496), (8, 17314060), (10, 13851248), (16, 8657030), (20, 6925624), (32, 4328515), (40, 3462812), (71, 1950880), (80, 1731406), (89, 1556320), (137, 1011040), (142, 975440), (160, 865703), (178, 778160), (274, 505520), (284, 487720), (355, 390176), (356, 389080), (445, 311264), (548, 252760), (568, 243860), (685, 202208), (710, 195088), (712, 194540), (890, 155632), (1096, 126380), (1136, 121930), (1370, 101104), (1420, 97544), (1424, 97270), (1780, 77816), (2192, 63190), (2272, 60965), (2740, 50552), (2840, 48772), (2848, 48635), (3560, 38908), (4384, 31595), (5480, 25276), (5680, 24386), (6319, 21920), (7120, 19454), (9727, 14240), (10960, 12638), (11360, 12193)]