71144640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{3529}}^1$

素因数の和:3559

約数の個数: 168

約数和(自身を含む): 279745440

約数和(自身を除く): 208600800

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, 3529, 4032, 5040, 6720, 7058, 10080, 10587, 14116, 17645, 20160, 21174, 24703, 28232, 31761, 35290, 42348, 49406, 52935, 56464, 63522, 70580, 74109, 84696, 98812, 105870, 112928, 123515, 127044, 141160, 148218, 158805, 169392, 197624, 211740, 222327, 225856, 247030, 254088, 282320, 296436, 317610, 338784, 370545, 395248, 423480, 444654, 494060, 508176, 564640, 592872, 635220, 677568, 741090, 790496, 846960, 889308, 988120, 1016352, 1111635, 1129280, 1185744, 1270440, 1482180, 1580992, 1693920, 1778616, 1976240, 2032704, 2223270, 2371488, 2540880, 2964360, 3387840, 3557232, 3952480, 4446540, 4742976, 5081760, 5928720, 7114464, 7904960, 8893080, 10163520, 11857440, 14228928, 17786160, 23714880, 35572320, 71144640]

約数ペア:

[(1, 71144640), (2, 35572320), (3, 23714880), (4, 17786160), (5, 14228928), (6, 11857440), (7, 10163520), (8, 8893080), (9, 7904960), (10, 7114464), (12, 5928720), (14, 5081760), (15, 4742976), (16, 4446540), (18, 3952480), (20, 3557232), (21, 3387840), (24, 2964360), (28, 2540880), (30, 2371488), (32, 2223270), (35, 2032704), (36, 1976240), (40, 1778616), (42, 1693920), (45, 1580992), (48, 1482180), (56, 1270440), (60, 1185744), (63, 1129280), (64, 1111635), (70, 1016352), (72, 988120), (80, 889308), (84, 846960), (90, 790496), (96, 741090), (105, 677568), (112, 635220), (120, 592872), (126, 564640), (140, 508176), (144, 494060), (160, 444654), (168, 423480), (180, 395248), (192, 370545), (210, 338784), (224, 317610), (240, 296436), (252, 282320), (280, 254088), (288, 247030), (315, 225856), (320, 222327), (336, 211740), (360, 197624), (420, 169392), (448, 158805), (480, 148218), (504, 141160), (560, 127044), (576, 123515), (630, 112928), (672, 105870), (720, 98812), (840, 84696), (960, 74109), (1008, 70580), (1120, 63522), (1260, 56464), (1344, 52935), (1440, 49406), (1680, 42348), (2016, 35290), (2240, 31761), (2520, 28232), (2880, 24703), (3360, 21174), (3529, 20160), (4032, 17645), (5040, 14116), (6720, 10587), (7058, 10080)]