999198540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{40519}}^1$

素因数の和:40671

約数の個数: 72

約数和(自身を含む): 3053100960

約数和(自身を除く): 2053902420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 12330, 24660, 40519, 81038, 121557, 162076, 202595, 243114, 364671, 405190, 486228, 607785, 729342, 810380, 1215570, 1458684, 1823355, 2431140, 3646710, 5551103, 7293420, 11102206, 16653309, 22204412, 27755515, 33306618, 49959927, 55511030, 66613236, 83266545, 99919854, 111022060, 166533090, 199839708, 249799635, 333066180, 499599270, 999198540]

約数ペア:

[(1, 999198540), (2, 499599270), (3, 333066180), (4, 249799635), (5, 199839708), (6, 166533090), (9, 111022060), (10, 99919854), (12, 83266545), (15, 66613236), (18, 55511030), (20, 49959927), (30, 33306618), (36, 27755515), (45, 22204412), (60, 16653309), (90, 11102206), (137, 7293420), (180, 5551103), (274, 3646710), (411, 2431140), (548, 1823355), (685, 1458684), (822, 1215570), (1233, 810380), (1370, 729342), (1644, 607785), (2055, 486228), (2466, 405190), (2740, 364671), (4110, 243114), (4932, 202595), (6165, 162076), (8220, 121557), (12330, 81038), (24660, 40519)]