1219402240

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{9721}}^1$

素因数の和:9758

約数の個数: 120

約数和(自身を含む): 3401397252

約数和(自身を除く): 2181995012

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 9721, 12544, 15680, 17920, 19442, 25088, 31360, 38884, 48605, 62720, 68047, 77768, 97210, 125440, 136094, 155536, 194420, 272188, 311072, 340235, 388840, 476329, 544376, 622144, 680470, 777680, 952658, 1088752, 1244288, 1360940, 1555360, 1905316, 2177504, 2381645, 2488576, 2721880, 3110720, 3810632, 4355008, 4763290, 4977152, 5443760, 6221440, 7621264, 8710016, 9526580, 10887520, 12442880, 15242528, 17420032, 19053160, 21775040, 24885760, 30485056, 34840064, 38106320, 43550080, 60970112, 76212640, 87100160, 121940224, 152425280, 174200320, 243880448, 304850560, 609701120, 1219402240]

約数ペア:

[(1, 1219402240), (2, 609701120), (4, 304850560), (5, 243880448), (7, 174200320), (8, 152425280), (10, 121940224), (14, 87100160), (16, 76212640), (20, 60970112), (28, 43550080), (32, 38106320), (35, 34840064), (40, 30485056), (49, 24885760), (56, 21775040), (64, 19053160), (70, 17420032), (80, 15242528), (98, 12442880), (112, 10887520), (128, 9526580), (140, 8710016), (160, 7621264), (196, 6221440), (224, 5443760), (245, 4977152), (256, 4763290), (280, 4355008), (320, 3810632), (392, 3110720), (448, 2721880), (490, 2488576), (512, 2381645), (560, 2177504), (640, 1905316), (784, 1555360), (896, 1360940), (980, 1244288), (1120, 1088752), (1280, 952658), (1568, 777680), (1792, 680470), (1960, 622144), (2240, 544376), (2560, 476329), (3136, 388840), (3584, 340235), (3920, 311072), (4480, 272188), (6272, 194420), (7840, 155536), (8960, 136094), (9721, 125440), (12544, 97210), (15680, 77768), (17920, 68047), (19442, 62720), (25088, 48605), (31360, 38884)]