387840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{101}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 1250928

約数和(自身を除く): 863088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 303, 320, 384, 404, 480, 505, 606, 640, 768, 808, 960, 1010, 1212, 1280, 1515, 1616, 1920, 2020, 2424, 3030, 3232, 3840, 4040, 4848, 6060, 6464, 8080, 9696, 12120, 12928, 16160, 19392, 24240, 25856, 32320, 38784, 48480, 64640, 77568, 96960, 129280, 193920, 387840]

約数ペア:

[(1, 387840), (2, 193920), (3, 129280), (4, 96960), (5, 77568), (6, 64640), (8, 48480), (10, 38784), (12, 32320), (15, 25856), (16, 24240), (20, 19392), (24, 16160), (30, 12928), (32, 12120), (40, 9696), (48, 8080), (60, 6464), (64, 6060), (80, 4848), (96, 4040), (101, 3840), (120, 3232), (128, 3030), (160, 2424), (192, 2020), (202, 1920), (240, 1616), (256, 1515), (303, 1280), (320, 1212), (384, 1010), (404, 960), (480, 808), (505, 768), (606, 640)]