67870880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 203738976

約数和(自身を除く): 135868096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 787, 880, 980, 1078, 1120, 1232, 1540, 1568, 1574, 1760, 1960, 2156, 2464, 2695, 3080, 3148, 3920, 3935, 4312, 5390, 5509, 6160, 6296, 7840, 7870, 8624, 8657, 10780, 11018, 12320, 12592, 15740, 17248, 17314, 21560, 22036, 25184, 27545, 31480, 34628, 38563, 43120, 43285, 44072, 55090, 60599, 62960, 69256, 77126, 86240, 86570, 88144, 110180, 121198, 125920, 138512, 154252, 173140, 176288, 192815, 220360, 242396, 277024, 302995, 308504, 346280, 385630, 424193, 440720, 484792, 605990, 617008, 692560, 771260, 848386, 881440, 969584, 1211980, 1234016, 1385120, 1542520, 1696772, 1939168, 2120965, 2423960, 3085040, 3393544, 4241930, 4847920, 6170080, 6787088, 8483860, 9695840, 13574176, 16967720, 33935440, 67870880]

約数ペア:

[(1, 67870880), (2, 33935440), (4, 16967720), (5, 13574176), (7, 9695840), (8, 8483860), (10, 6787088), (11, 6170080), (14, 4847920), (16, 4241930), (20, 3393544), (22, 3085040), (28, 2423960), (32, 2120965), (35, 1939168), (40, 1696772), (44, 1542520), (49, 1385120), (55, 1234016), (56, 1211980), (70, 969584), (77, 881440), (80, 848386), (88, 771260), (98, 692560), (110, 617008), (112, 605990), (140, 484792), (154, 440720), (160, 424193), (176, 385630), (196, 346280), (220, 308504), (224, 302995), (245, 277024), (280, 242396), (308, 220360), (352, 192815), (385, 176288), (392, 173140), (440, 154252), (490, 138512), (539, 125920), (560, 121198), (616, 110180), (770, 88144), (784, 86570), (787, 86240), (880, 77126), (980, 69256), (1078, 62960), (1120, 60599), (1232, 55090), (1540, 44072), (1568, 43285), (1574, 43120), (1760, 38563), (1960, 34628), (2156, 31480), (2464, 27545), (2695, 25184), (3080, 22036), (3148, 21560), (3920, 17314), (3935, 17248), (4312, 15740), (5390, 12592), (5509, 12320), (6160, 11018), (6296, 10780), (7840, 8657), (7870, 8624)]