1661274720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{164809}}^1$

素因数の和:164837

約数の個数: 144

約数和(自身を含む): 6479010720

約数和(自身を除く): 4817736000

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 164809, 329618, 494427, 659236, 824045, 988854, 1153663, 1318472, 1483281, 1648090, 1977708, 2307326, 2472135, 2636944, 2966562, 3296180, 3460989, 3955416, 4614652, 4944270, 5273888, 5768315, 5933124, 6592360, 6921978, 7416405, 7910832, 9229304, 9888540, 10382967, 11536630, 11866248, 13184720, 13843956, 14832810, 15821664, 17304945, 18458608, 19777080, 20765934, 23073260, 23732496, 26369440, 27687912, 29665620, 34609890, 36917216, 39554160, 41531868, 46146520, 47464992, 51914835, 55375824, 59331240, 69219780, 79108320, 83063736, 92293040, 103829670, 110751648, 118662480, 138439560, 166127472, 184586080, 207659340, 237324960, 276879120, 332254944, 415318680, 553758240, 830637360, 1661274720]

約数ペア:

[(1, 1661274720), (2, 830637360), (3, 553758240), (4, 415318680), (5, 332254944), (6, 276879120), (7, 237324960), (8, 207659340), (9, 184586080), (10, 166127472), (12, 138439560), (14, 118662480), (15, 110751648), (16, 103829670), (18, 92293040), (20, 83063736), (21, 79108320), (24, 69219780), (28, 59331240), (30, 55375824), (32, 51914835), (35, 47464992), (36, 46146520), (40, 41531868), (42, 39554160), (45, 36917216), (48, 34609890), (56, 29665620), (60, 27687912), (63, 26369440), (70, 23732496), (72, 23073260), (80, 20765934), (84, 19777080), (90, 18458608), (96, 17304945), (105, 15821664), (112, 14832810), (120, 13843956), (126, 13184720), (140, 11866248), (144, 11536630), (160, 10382967), (168, 9888540), (180, 9229304), (210, 7910832), (224, 7416405), (240, 6921978), (252, 6592360), (280, 5933124), (288, 5768315), (315, 5273888), (336, 4944270), (360, 4614652), (420, 3955416), (480, 3460989), (504, 3296180), (560, 2966562), (630, 2636944), (672, 2472135), (720, 2307326), (840, 1977708), (1008, 1648090), (1120, 1483281), (1260, 1318472), (1440, 1153663), (1680, 988854), (2016, 824045), (2520, 659236), (3360, 494427), (5040, 329618), (10080, 164809)]