78472960

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 190141056

約数和(自身を除く): 111668096

約数列:

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

約数ペア:

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