721454121810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{6389}}^1\times {\mathrm{139409}}^1$

素因数の和:145817

約数の個数: 80

約数和(自身を含む): 1940227522200

約数和(自身を除く): 1218773400390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 6389, 12778, 19167, 31945, 38334, 57501, 63890, 95835, 115002, 139409, 172503, 191670, 278818, 287505, 345006, 418227, 517509, 575010, 697045, 836454, 862515, 1035018, 1254681, 1394090, 1725030, 2091135, 2509362, 2587545, 3764043, 4182270, 5175090, 6273405, 7528086, 11292129, 12546810, 18820215, 22584258, 37640430, 56460645, 112921290, 890684101, 1781368202, 2672052303, 4453420505, 5344104606, 8016156909, 8906841010, 13360261515, 16032313818, 24048470727, 26720523030, 40080784545, 48096941454, 72145412181, 80161569090, 120242353635, 144290824362, 240484707270, 360727060905, 721454121810]

約数ペア:

[(1, 721454121810), (2, 360727060905), (3, 240484707270), (5, 144290824362), (6, 120242353635), (9, 80161569090), (10, 72145412181), (15, 48096941454), (18, 40080784545), (27, 26720523030), (30, 24048470727), (45, 16032313818), (54, 13360261515), (81, 8906841010), (90, 8016156909), (135, 5344104606), (162, 4453420505), (270, 2672052303), (405, 1781368202), (810, 890684101), (6389, 112921290), (12778, 56460645), (19167, 37640430), (31945, 22584258), (38334, 18820215), (57501, 12546810), (63890, 11292129), (95835, 7528086), (115002, 6273405), (139409, 5175090), (172503, 4182270), (191670, 3764043), (278818, 2587545), (287505, 2509362), (345006, 2091135), (418227, 1725030), (517509, 1394090), (575010, 1254681), (697045, 1035018), (836454, 862515)]