18090540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:893

約数の個数: 120

約数和(自身を含む): 61187280

約数和(自身を除く): 43096740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 859, 1053, 1170, 1404, 1620, 1718, 1755, 2106, 2340, 2577, 3436, 3510, 4212, 4295, 5154, 5265, 7020, 7731, 8590, 10308, 10530, 11167, 12885, 15462, 17180, 21060, 22334, 23193, 25770, 30924, 33501, 38655, 44668, 46386, 51540, 55835, 67002, 69579, 77310, 92772, 100503, 111670, 115965, 134004, 139158, 154620, 167505, 201006, 223340, 231930, 278316, 301509, 335010, 347895, 402012, 463860, 502515, 603018, 670020, 695790, 904527, 1005030, 1206036, 1391580, 1507545, 1809054, 2010060, 3015090, 3618108, 4522635, 6030180, 9045270, 18090540]

約数ペア:

[(1, 18090540), (2, 9045270), (3, 6030180), (4, 4522635), (5, 3618108), (6, 3015090), (9, 2010060), (10, 1809054), (12, 1507545), (13, 1391580), (15, 1206036), (18, 1005030), (20, 904527), (26, 695790), (27, 670020), (30, 603018), (36, 502515), (39, 463860), (45, 402012), (52, 347895), (54, 335010), (60, 301509), (65, 278316), (78, 231930), (81, 223340), (90, 201006), (108, 167505), (117, 154620), (130, 139158), (135, 134004), (156, 115965), (162, 111670), (180, 100503), (195, 92772), (234, 77310), (260, 69579), (270, 67002), (324, 55835), (351, 51540), (390, 46386), (405, 44668), (468, 38655), (540, 33501), (585, 30924), (702, 25770), (780, 23193), (810, 22334), (859, 21060), (1053, 17180), (1170, 15462), (1404, 12885), (1620, 11167), (1718, 10530), (1755, 10308), (2106, 8590), (2340, 7731), (2577, 7020), (3436, 5265), (3510, 5154), (4212, 4295)]