19725120

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{761}}^1$

素因数の和:790

約数の個数: 140

約数和(自身を含む): 70257924

約数和(自身を除く): 50532804

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 761, 810, 864, 960, 1080, 1296, 1440, 1522, 1620, 1728, 2160, 2283, 2592, 2880, 3044, 3240, 3805, 4320, 4566, 5184, 6088, 6480, 6849, 7610, 8640, 9132, 11415, 12176, 12960, 13698, 15220, 18264, 20547, 22830, 24352, 25920, 27396, 30440, 34245, 36528, 41094, 45660, 48704, 54792, 60880, 61641, 68490, 73056, 82188, 91320, 102735, 109584, 121760, 123282, 136980, 146112, 164376, 182640, 205470, 219168, 243520, 246564, 273960, 308205, 328752, 365280, 410940, 438336, 493128, 547920, 616410, 657504, 730560, 821880, 986256, 1095840, 1232820, 1315008, 1643760, 1972512, 2191680, 2465640, 3287520, 3945024, 4931280, 6575040, 9862560, 19725120]

約数ペア:

[(1, 19725120), (2, 9862560), (3, 6575040), (4, 4931280), (5, 3945024), (6, 3287520), (8, 2465640), (9, 2191680), (10, 1972512), (12, 1643760), (15, 1315008), (16, 1232820), (18, 1095840), (20, 986256), (24, 821880), (27, 730560), (30, 657504), (32, 616410), (36, 547920), (40, 493128), (45, 438336), (48, 410940), (54, 365280), (60, 328752), (64, 308205), (72, 273960), (80, 246564), (81, 243520), (90, 219168), (96, 205470), (108, 182640), (120, 164376), (135, 146112), (144, 136980), (160, 123282), (162, 121760), (180, 109584), (192, 102735), (216, 91320), (240, 82188), (270, 73056), (288, 68490), (320, 61641), (324, 60880), (360, 54792), (405, 48704), (432, 45660), (480, 41094), (540, 36528), (576, 34245), (648, 30440), (720, 27396), (761, 25920), (810, 24352), (864, 22830), (960, 20547), (1080, 18264), (1296, 15220), (1440, 13698), (1522, 12960), (1620, 12176), (1728, 11415), (2160, 9132), (2283, 8640), (2592, 7610), (2880, 6849), (3044, 6480), (3240, 6088), (3805, 5184), (4320, 4566)]