66787840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3727}}^1$

素因数の和:3757

約数の個数: 80

約数和(自身を含む): 183059712

約数和(自身を除く): 116271872

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, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 3727, 4480, 7454, 8960, 14908, 17920, 18635, 26089, 29816, 37270, 52178, 59632, 74540, 104356, 119264, 130445, 149080, 208712, 238528, 260890, 298160, 417424, 477056, 521780, 596320, 834848, 954112, 1043560, 1192640, 1669696, 1908224, 2087120, 2385280, 3339392, 4174240, 4770560, 6678784, 8348480, 9541120, 13357568, 16696960, 33393920, 66787840]

約数ペア:

[(1, 66787840), (2, 33393920), (4, 16696960), (5, 13357568), (7, 9541120), (8, 8348480), (10, 6678784), (14, 4770560), (16, 4174240), (20, 3339392), (28, 2385280), (32, 2087120), (35, 1908224), (40, 1669696), (56, 1192640), (64, 1043560), (70, 954112), (80, 834848), (112, 596320), (128, 521780), (140, 477056), (160, 417424), (224, 298160), (256, 260890), (280, 238528), (320, 208712), (448, 149080), (512, 130445), (560, 119264), (640, 104356), (896, 74540), (1120, 59632), (1280, 52178), (1792, 37270), (2240, 29816), (2560, 26089), (3584, 18635), (3727, 17920), (4480, 14908), (7454, 8960)]