261107880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 256

約数和(自身を含む): 933120000

約数和(自身を除く): 672012120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 29, 30, 33, 38, 40, 44, 55, 57, 58, 60, 66, 76, 87, 88, 95, 110, 114, 116, 120, 132, 145, 152, 165, 174, 190, 209, 220, 228, 232, 264, 285, 290, 319, 330, 348, 359, 380, 418, 435, 440, 456, 551, 570, 580, 627, 638, 660, 696, 718, 760, 836, 870, 957, 1045, 1077, 1102, 1140, 1160, 1254, 1276, 1320, 1436, 1595, 1653, 1672, 1740, 1795, 1914, 2090, 2154, 2204, 2280, 2508, 2552, 2755, 2872, 3135, 3190, 3306, 3480, 3590, 3828, 3949, 4180, 4308, 4408, 4785, 5016, 5385, 5510, 6061, 6270, 6380, 6612, 6821, 7180, 7656, 7898, 8265, 8360, 8616, 9570, 10411, 10770, 11020, 11847, 12122, 12540, 12760, 13224, 13642, 14360, 15796, 16530, 18183, 19140, 19745, 20463, 20822, 21540, 22040, 23694, 24244, 25080, 27284, 30305, 31233, 31592, 33060, 34105, 36366, 38280, 39490, 40926, 41644, 43080, 47388, 48488, 52055, 54568, 59235, 60610, 62466, 66120, 68210, 72732, 75031, 78980, 81852, 83288, 90915, 94776, 102315, 104110, 114521, 118470, 121220, 124932, 136420, 145464, 150062, 156165, 157960, 163704, 181830, 197809, 204630, 208220, 225093, 229042, 236940, 242440, 249864, 272840, 300124, 312330, 343563, 363660, 375155, 395618, 409260, 416440, 450186, 458084, 473880, 572605, 593427, 600248, 624660, 687126, 727320, 750310, 791236, 818520, 900372, 916168, 989045, 1125465, 1145210, 1186854, 1249320, 1374252, 1500620, 1582472, 1717815, 1800744, 1978090, 2175899, 2250930, 2290420, 2373708, 2748504, 2967135, 3001240, 3435630, 3956180, 4351798, 4501860, 4580840, 4747416, 5934270, 6527697, 6871260, 7912360, 8703596, 9003720, 10879495, 11868540, 13055394, 13742520, 17407192, 21758990, 23737080, 26110788, 32638485, 43517980, 52221576, 65276970, 87035960, 130553940, 261107880]

約数ペア:

[(1, 261107880), (2, 130553940), (3, 87035960), (4, 65276970), (5, 52221576), (6, 43517980), (8, 32638485), (10, 26110788), (11, 23737080), (12, 21758990), (15, 17407192), (19, 13742520), (20, 13055394), (22, 11868540), (24, 10879495), (29, 9003720), (30, 8703596), (33, 7912360), (38, 6871260), (40, 6527697), (44, 5934270), (55, 4747416), (57, 4580840), (58, 4501860), (60, 4351798), (66, 3956180), (76, 3435630), (87, 3001240), (88, 2967135), (95, 2748504), (110, 2373708), (114, 2290420), (116, 2250930), (120, 2175899), (132, 1978090), (145, 1800744), (152, 1717815), (165, 1582472), (174, 1500620), (190, 1374252), (209, 1249320), (220, 1186854), (228, 1145210), (232, 1125465), (264, 989045), (285, 916168), (290, 900372), (319, 818520), (330, 791236), (348, 750310), (359, 727320), (380, 687126), (418, 624660), (435, 600248), (440, 593427), (456, 572605), (551, 473880), (570, 458084), (580, 450186), (627, 416440), (638, 409260), (660, 395618), (696, 375155), (718, 363660), (760, 343563), (836, 312330), (870, 300124), (957, 272840), (1045, 249864), (1077, 242440), (1102, 236940), (1140, 229042), (1160, 225093), (1254, 208220), (1276, 204630), (1320, 197809), (1436, 181830), (1595, 163704), (1653, 157960), (1672, 156165), (1740, 150062), (1795, 145464), (1914, 136420), (2090, 124932), (2154, 121220), (2204, 118470), (2280, 114521), (2508, 104110), (2552, 102315), (2755, 94776), (2872, 90915), (3135, 83288), (3190, 81852), (3306, 78980), (3480, 75031), (3590, 72732), (3828, 68210), (3949, 66120), (4180, 62466), (4308, 60610), (4408, 59235), (4785, 54568), (5016, 52055), (5385, 48488), (5510, 47388), (6061, 43080), (6270, 41644), (6380, 40926), (6612, 39490), (6821, 38280), (7180, 36366), (7656, 34105), (7898, 33060), (8265, 31592), (8360, 31233), (8616, 30305), (9570, 27284), (10411, 25080), (10770, 24244), (11020, 23694), (11847, 22040), (12122, 21540), (12540, 20822), (12760, 20463), (13224, 19745), (13642, 19140), (14360, 18183), (15796, 16530)]