81681570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1360

約数の個数: 96

約数和(自身を含む): 229769280

約数和(自身を除く): 148087710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 37, 38, 45, 57, 74, 90, 95, 111, 114, 171, 185, 190, 222, 285, 333, 342, 370, 555, 570, 666, 703, 855, 1110, 1291, 1406, 1665, 1710, 2109, 2582, 3330, 3515, 3873, 4218, 6327, 6455, 7030, 7746, 10545, 11619, 12654, 12910, 19365, 21090, 23238, 24529, 31635, 38730, 47767, 49058, 58095, 63270, 73587, 95534, 116190, 122645, 143301, 147174, 220761, 238835, 245290, 286602, 367935, 429903, 441522, 477670, 716505, 735870, 859806, 907573, 1103805, 1433010, 1815146, 2149515, 2207610, 2722719, 4299030, 4537865, 5445438, 8168157, 9075730, 13613595, 16336314, 27227190, 40840785, 81681570]

約数ペア:

[(1, 81681570), (2, 40840785), (3, 27227190), (5, 16336314), (6, 13613595), (9, 9075730), (10, 8168157), (15, 5445438), (18, 4537865), (19, 4299030), (30, 2722719), (37, 2207610), (38, 2149515), (45, 1815146), (57, 1433010), (74, 1103805), (90, 907573), (95, 859806), (111, 735870), (114, 716505), (171, 477670), (185, 441522), (190, 429903), (222, 367935), (285, 286602), (333, 245290), (342, 238835), (370, 220761), (555, 147174), (570, 143301), (666, 122645), (703, 116190), (855, 95534), (1110, 73587), (1291, 63270), (1406, 58095), (1665, 49058), (1710, 47767), (2109, 38730), (2582, 31635), (3330, 24529), (3515, 23238), (3873, 21090), (4218, 19365), (6327, 12910), (6455, 12654), (7030, 11619), (7746, 10545)]