77571840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20201}}^1$

素因数の和:20225

約数の個数: 72

約数和(自身を含む): 247757328

約数和(自身を除く): 170185488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20201, 40402, 60603, 80804, 101005, 121206, 161608, 202010, 242412, 303015, 323216, 404020, 484824, 606030, 646432, 808040, 969648, 1212060, 1292864, 1616080, 1939296, 2424120, 2585728, 3232160, 3878592, 4848240, 5171456, 6464320, 7757184, 9696480, 12928640, 15514368, 19392960, 25857280, 38785920, 77571840]

約数ペア:

[(1, 77571840), (2, 38785920), (3, 25857280), (4, 19392960), (5, 15514368), (6, 12928640), (8, 9696480), (10, 7757184), (12, 6464320), (15, 5171456), (16, 4848240), (20, 3878592), (24, 3232160), (30, 2585728), (32, 2424120), (40, 1939296), (48, 1616080), (60, 1292864), (64, 1212060), (80, 969648), (96, 808040), (120, 646432), (128, 606030), (160, 484824), (192, 404020), (240, 323216), (256, 303015), (320, 242412), (384, 202010), (480, 161608), (640, 121206), (768, 101005), (960, 80804), (1280, 60603), (1920, 40402), (3840, 20201)]