78155520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20353}}^1$

素因数の和:20377

約数の個数: 72

約数和(自身を含む): 249621456

約数和(自身を除く): 171465936

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, 20353, 40706, 61059, 81412, 101765, 122118, 162824, 203530, 244236, 305295, 325648, 407060, 488472, 610590, 651296, 814120, 976944, 1221180, 1302592, 1628240, 1953888, 2442360, 2605184, 3256480, 3907776, 4884720, 5210368, 6512960, 7815552, 9769440, 13025920, 15631104, 19538880, 26051840, 39077760, 78155520]

約数ペア:

[(1, 78155520), (2, 39077760), (3, 26051840), (4, 19538880), (5, 15631104), (6, 13025920), (8, 9769440), (10, 7815552), (12, 6512960), (15, 5210368), (16, 4884720), (20, 3907776), (24, 3256480), (30, 2605184), (32, 2442360), (40, 1953888), (48, 1628240), (60, 1302592), (64, 1221180), (80, 976944), (96, 814120), (120, 651296), (128, 610590), (160, 488472), (192, 407060), (240, 325648), (256, 305295), (320, 244236), (384, 203530), (480, 162824), (640, 122118), (768, 101765), (960, 81412), (1280, 61059), (1920, 40706), (3840, 20353)]