261371664

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 160

約数和(自身を含む): 802329600

約数和(自身を除く): 540957936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 31, 36, 48, 54, 58, 62, 72, 87, 93, 108, 116, 124, 144, 174, 186, 216, 232, 248, 261, 279, 348, 372, 432, 464, 496, 522, 558, 673, 696, 744, 783, 837, 899, 1044, 1116, 1346, 1392, 1488, 1566, 1674, 1798, 2019, 2088, 2232, 2692, 2697, 3132, 3348, 3596, 4038, 4176, 4464, 5384, 5394, 6057, 6264, 6696, 7192, 8076, 8091, 10768, 10788, 12114, 12528, 13392, 14384, 16152, 16182, 18171, 19517, 20863, 21576, 24228, 24273, 32304, 32364, 36342, 39034, 41726, 43152, 48456, 48546, 58551, 62589, 64728, 72684, 78068, 83452, 96912, 97092, 117102, 125178, 129456, 145368, 156136, 166904, 175653, 187767, 194184, 234204, 250356, 290736, 312272, 333808, 351306, 375534, 388368, 468408, 500712, 526959, 563301, 605027, 702612, 751068, 936816, 1001424, 1053918, 1126602, 1210054, 1405224, 1502136, 1815081, 2107836, 2253204, 2420108, 2810448, 3004272, 3630162, 4215672, 4506408, 4840216, 5445243, 7260324, 8431344, 9012816, 9680432, 10890486, 14520648, 16335729, 21780972, 29041296, 32671458, 43561944, 65342916, 87123888, 130685832, 261371664]

約数ペア:

[(1, 261371664), (2, 130685832), (3, 87123888), (4, 65342916), (6, 43561944), (8, 32671458), (9, 29041296), (12, 21780972), (16, 16335729), (18, 14520648), (24, 10890486), (27, 9680432), (29, 9012816), (31, 8431344), (36, 7260324), (48, 5445243), (54, 4840216), (58, 4506408), (62, 4215672), (72, 3630162), (87, 3004272), (93, 2810448), (108, 2420108), (116, 2253204), (124, 2107836), (144, 1815081), (174, 1502136), (186, 1405224), (216, 1210054), (232, 1126602), (248, 1053918), (261, 1001424), (279, 936816), (348, 751068), (372, 702612), (432, 605027), (464, 563301), (496, 526959), (522, 500712), (558, 468408), (673, 388368), (696, 375534), (744, 351306), (783, 333808), (837, 312272), (899, 290736), (1044, 250356), (1116, 234204), (1346, 194184), (1392, 187767), (1488, 175653), (1566, 166904), (1674, 156136), (1798, 145368), (2019, 129456), (2088, 125178), (2232, 117102), (2692, 97092), (2697, 96912), (3132, 83452), (3348, 78068), (3596, 72684), (4038, 64728), (4176, 62589), (4464, 58551), (5384, 48546), (5394, 48456), (6057, 43152), (6264, 41726), (6696, 39034), (7192, 36342), (8076, 32364), (8091, 32304), (10768, 24273), (10788, 24228), (12114, 21576), (12528, 20863), (13392, 19517), (14384, 18171), (16152, 16182)]