156945920

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:731

約数の個数: 80

約数和(自身を含む): 380654208

約数和(自身を除く): 223708288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 512, 607, 640, 808, 1010, 1214, 1280, 1616, 2020, 2428, 2560, 3035, 3232, 4040, 4856, 6070, 6464, 8080, 9712, 12140, 12928, 16160, 19424, 24280, 25856, 32320, 38848, 48560, 51712, 61307, 64640, 77696, 97120, 122614, 129280, 155392, 194240, 245228, 258560, 306535, 310784, 388480, 490456, 613070, 776960, 980912, 1226140, 1553920, 1961824, 2452280, 3923648, 4904560, 7847296, 9809120, 15694592, 19618240, 31389184, 39236480, 78472960, 156945920]

約数ペア:

[(1, 156945920), (2, 78472960), (4, 39236480), (5, 31389184), (8, 19618240), (10, 15694592), (16, 9809120), (20, 7847296), (32, 4904560), (40, 3923648), (64, 2452280), (80, 1961824), (101, 1553920), (128, 1226140), (160, 980912), (202, 776960), (256, 613070), (320, 490456), (404, 388480), (505, 310784), (512, 306535), (607, 258560), (640, 245228), (808, 194240), (1010, 155392), (1214, 129280), (1280, 122614), (1616, 97120), (2020, 77696), (2428, 64640), (2560, 61307), (3035, 51712), (3232, 48560), (4040, 38848), (4856, 32320), (6070, 25856), (6464, 24280), (8080, 19424), (9712, 16160), (12140, 12928)]