81407430

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:897

約数の個数: 112

約数和(自身を含む): 236874960

約数和(自身を除く): 155467530

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 729, 810, 859, 1053, 1170, 1215, 1458, 1718, 1755, 2106, 2430, 2577, 3159, 3510, 3645, 4295, 5154, 5265, 6318, 7290, 7731, 8590, 9477, 10530, 11167, 12885, 15462, 15795, 18954, 22334, 23193, 25770, 31590, 33501, 38655, 46386, 47385, 55835, 67002, 69579, 77310, 94770, 100503, 111670, 115965, 139158, 167505, 201006, 208737, 231930, 301509, 335010, 347895, 417474, 502515, 603018, 626211, 695790, 904527, 1005030, 1043685, 1252422, 1507545, 1809054, 2087370, 2713581, 3015090, 3131055, 4522635, 5427162, 6262110, 8140743, 9045270, 13567905, 16281486, 27135810, 40703715, 81407430]

約数ペア:

[(1, 81407430), (2, 40703715), (3, 27135810), (5, 16281486), (6, 13567905), (9, 9045270), (10, 8140743), (13, 6262110), (15, 5427162), (18, 4522635), (26, 3131055), (27, 3015090), (30, 2713581), (39, 2087370), (45, 1809054), (54, 1507545), (65, 1252422), (78, 1043685), (81, 1005030), (90, 904527), (117, 695790), (130, 626211), (135, 603018), (162, 502515), (195, 417474), (234, 347895), (243, 335010), (270, 301509), (351, 231930), (390, 208737), (405, 201006), (486, 167505), (585, 139158), (702, 115965), (729, 111670), (810, 100503), (859, 94770), (1053, 77310), (1170, 69579), (1215, 67002), (1458, 55835), (1718, 47385), (1755, 46386), (2106, 38655), (2430, 33501), (2577, 31590), (3159, 25770), (3510, 23193), (3645, 22334), (4295, 18954), (5154, 15795), (5265, 15462), (6318, 12885), (7290, 11167), (7731, 10530), (8590, 9477)]