661268160

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{32801}}^1$

素因数の和:32831

約数の個数: 168

約数和(自身を含む): 2599492896

約数和(自身を除く): 1938224736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 32801, 65602, 98403, 131204, 164005, 196806, 229607, 262408, 295209, 328010, 393612, 459214, 492015, 524816, 590418, 656020, 688821, 787224, 918428, 984030, 1049632, 1148035, 1180836, 1312040, 1377642, 1476045, 1574448, 1836856, 1968060, 2066463, 2099264, 2296070, 2361672, 2624080, 2755284, 2952090, 3148896, 3444105, 3673712, 3936120, 4132926, 4592140, 4723344, 5248160, 5510568, 5904180, 6297792, 6888210, 7347424, 7872240, 8265852, 9184280, 9446688, 10332315, 10496320, 11021136, 11808360, 13776420, 14694848, 15744480, 16531704, 18368560, 18893376, 20664630, 22042272, 23616720, 27552840, 31488960, 33063408, 36737120, 41329260, 44084544, 47233440, 55105680, 66126816, 73474240, 82658520, 94466880, 110211360, 132253632, 165317040, 220422720, 330634080, 661268160]

約数ペア:

[(1, 661268160), (2, 330634080), (3, 220422720), (4, 165317040), (5, 132253632), (6, 110211360), (7, 94466880), (8, 82658520), (9, 73474240), (10, 66126816), (12, 55105680), (14, 47233440), (15, 44084544), (16, 41329260), (18, 36737120), (20, 33063408), (21, 31488960), (24, 27552840), (28, 23616720), (30, 22042272), (32, 20664630), (35, 18893376), (36, 18368560), (40, 16531704), (42, 15744480), (45, 14694848), (48, 13776420), (56, 11808360), (60, 11021136), (63, 10496320), (64, 10332315), (70, 9446688), (72, 9184280), (80, 8265852), (84, 7872240), (90, 7347424), (96, 6888210), (105, 6297792), (112, 5904180), (120, 5510568), (126, 5248160), (140, 4723344), (144, 4592140), (160, 4132926), (168, 3936120), (180, 3673712), (192, 3444105), (210, 3148896), (224, 2952090), (240, 2755284), (252, 2624080), (280, 2361672), (288, 2296070), (315, 2099264), (320, 2066463), (336, 1968060), (360, 1836856), (420, 1574448), (448, 1476045), (480, 1377642), (504, 1312040), (560, 1180836), (576, 1148035), (630, 1049632), (672, 984030), (720, 918428), (840, 787224), (960, 688821), (1008, 656020), (1120, 590418), (1260, 524816), (1344, 492015), (1440, 459214), (1680, 393612), (2016, 328010), (2240, 295209), (2520, 262408), (2880, 229607), (3360, 196806), (4032, 164005), (5040, 131204), (6720, 98403), (10080, 65602), (20160, 32801)]