648219672

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 1991330880

約数和(自身を除く): 1343111208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 31, 36, 46, 54, 61, 62, 69, 72, 81, 92, 93, 108, 122, 124, 138, 162, 183, 184, 186, 207, 216, 244, 248, 276, 279, 324, 366, 372, 414, 488, 529, 549, 552, 558, 621, 648, 713, 732, 744, 828, 837, 1058, 1098, 1116, 1242, 1403, 1426, 1464, 1587, 1647, 1656, 1674, 1863, 1891, 2116, 2139, 2196, 2232, 2484, 2511, 2806, 2852, 3174, 3294, 3348, 3726, 3782, 4209, 4232, 4278, 4392, 4761, 4941, 4968, 5022, 5612, 5673, 5704, 6348, 6417, 6588, 6696, 7452, 7564, 8418, 8556, 9522, 9882, 10044, 11224, 11346, 12627, 12696, 12834, 13176, 14283, 14904, 15128, 16399, 16836, 17019, 17112, 19044, 19251, 19764, 20088, 22692, 25254, 25668, 28566, 32269, 32798, 33672, 34038, 37881, 38088, 38502, 39528, 42849, 43493, 45384, 49197, 50508, 51057, 51336, 57132, 57753, 64538, 65596, 68076, 75762, 77004, 85698, 86986, 96807, 98394, 101016, 102114, 113643, 114264, 115506, 129076, 130479, 131192, 136152, 147591, 151524, 153171, 154008, 171396, 173972, 193614, 196788, 204228, 227286, 231012, 258152, 260958, 290421, 295182, 303048, 306342, 342792, 347944, 387228, 391437, 393576, 408456, 442773, 454572, 462024, 521916, 580842, 590364, 612684, 774456, 782874, 871263, 885546, 909144, 1000339, 1043832, 1161684, 1174311, 1180728, 1225368, 1328319, 1565748, 1742526, 1771092, 2000678, 2323368, 2348622, 2613789, 2656638, 3001017, 3131496, 3485052, 3522933, 3542184, 4001356, 4697244, 5227578, 5313276, 6002034, 6970104, 7045866, 8002712, 9003051, 9394488, 10455156, 10626552, 12004068, 14091732, 18006102, 20910312, 24008136, 27009153, 28183464, 36012204, 54018306, 72024408, 81027459, 108036612, 162054918, 216073224, 324109836, 648219672]

約数ペア:

[(1, 648219672), (2, 324109836), (3, 216073224), (4, 162054918), (6, 108036612), (8, 81027459), (9, 72024408), (12, 54018306), (18, 36012204), (23, 28183464), (24, 27009153), (27, 24008136), (31, 20910312), (36, 18006102), (46, 14091732), (54, 12004068), (61, 10626552), (62, 10455156), (69, 9394488), (72, 9003051), (81, 8002712), (92, 7045866), (93, 6970104), (108, 6002034), (122, 5313276), (124, 5227578), (138, 4697244), (162, 4001356), (183, 3542184), (184, 3522933), (186, 3485052), (207, 3131496), (216, 3001017), (244, 2656638), (248, 2613789), (276, 2348622), (279, 2323368), (324, 2000678), (366, 1771092), (372, 1742526), (414, 1565748), (488, 1328319), (529, 1225368), (549, 1180728), (552, 1174311), (558, 1161684), (621, 1043832), (648, 1000339), (713, 909144), (732, 885546), (744, 871263), (828, 782874), (837, 774456), (1058, 612684), (1098, 590364), (1116, 580842), (1242, 521916), (1403, 462024), (1426, 454572), (1464, 442773), (1587, 408456), (1647, 393576), (1656, 391437), (1674, 387228), (1863, 347944), (1891, 342792), (2116, 306342), (2139, 303048), (2196, 295182), (2232, 290421), (2484, 260958), (2511, 258152), (2806, 231012), (2852, 227286), (3174, 204228), (3294, 196788), (3348, 193614), (3726, 173972), (3782, 171396), (4209, 154008), (4232, 153171), (4278, 151524), (4392, 147591), (4761, 136152), (4941, 131192), (4968, 130479), (5022, 129076), (5612, 115506), (5673, 114264), (5704, 113643), (6348, 102114), (6417, 101016), (6588, 98394), (6696, 96807), (7452, 86986), (7564, 85698), (8418, 77004), (8556, 75762), (9522, 68076), (9882, 65596), (10044, 64538), (11224, 57753), (11346, 57132), (12627, 51336), (12696, 51057), (12834, 50508), (13176, 49197), (14283, 45384), (14904, 43493), (15128, 42849), (16399, 39528), (16836, 38502), (17019, 38088), (17112, 37881), (19044, 34038), (19251, 33672), (19764, 32798), (20088, 32269), (22692, 28566), (25254, 25668)]