157428520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1738

約数の個数: 64

約数和(自身を含む): 369230400

約数和(自身を除く): 211801880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 820, 1180, 1627, 1640, 2360, 2419, 3254, 4838, 6508, 8135, 9676, 12095, 13016, 16270, 19352, 24190, 32540, 48380, 65080, 66707, 95993, 96760, 133414, 191986, 266828, 333535, 383972, 479965, 533656, 667070, 767944, 959930, 1334140, 1919860, 2668280, 3839720, 3935713, 7871426, 15742852, 19678565, 31485704, 39357130, 78714260, 157428520]

約数ペア:

[(1, 157428520), (2, 78714260), (4, 39357130), (5, 31485704), (8, 19678565), (10, 15742852), (20, 7871426), (40, 3935713), (41, 3839720), (59, 2668280), (82, 1919860), (118, 1334140), (164, 959930), (205, 767944), (236, 667070), (295, 533656), (328, 479965), (410, 383972), (472, 333535), (590, 266828), (820, 191986), (1180, 133414), (1627, 96760), (1640, 95993), (2360, 66707), (2419, 65080), (3254, 48380), (4838, 32540), (6508, 24190), (8135, 19352), (9676, 16270), (12095, 13016)]