71317120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15919}}^1$

素因数の和:15945

約数の個数: 64

約数和(自身を含む): 194860800

約数和(自身を除く): 123543680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 15919, 31838, 63676, 79595, 111433, 127352, 159190, 222866, 254704, 318380, 445732, 509408, 557165, 636760, 891464, 1018816, 1114330, 1273520, 1782928, 2037632, 2228660, 2547040, 3565856, 4457320, 5094080, 7131712, 8914640, 10188160, 14263424, 17829280, 35658560, 71317120]

約数ペア:

[(1, 71317120), (2, 35658560), (4, 17829280), (5, 14263424), (7, 10188160), (8, 8914640), (10, 7131712), (14, 5094080), (16, 4457320), (20, 3565856), (28, 2547040), (32, 2228660), (35, 2037632), (40, 1782928), (56, 1273520), (64, 1114330), (70, 1018816), (80, 891464), (112, 636760), (128, 557165), (140, 509408), (160, 445732), (224, 318380), (280, 254704), (320, 222866), (448, 159190), (560, 127352), (640, 111433), (896, 79595), (1120, 63676), (2240, 31838), (4480, 15919)]