305819520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1240

約数の個数: 128

約数和(自身を含む): 982260000

約数和(自身を除く): 676440480

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, 149, 160, 192, 240, 298, 320, 384, 447, 480, 596, 640, 745, 894, 960, 1069, 1192, 1490, 1788, 1920, 2138, 2235, 2384, 2980, 3207, 3576, 4276, 4470, 4768, 5345, 5960, 6414, 7152, 8552, 8940, 9536, 10690, 11920, 12828, 14304, 16035, 17104, 17880, 19072, 21380, 23840, 25656, 28608, 32070, 34208, 35760, 42760, 47680, 51312, 57216, 64140, 68416, 71520, 85520, 95360, 102624, 128280, 136832, 143040, 159281, 171040, 205248, 256560, 286080, 318562, 342080, 410496, 477843, 513120, 637124, 684160, 796405, 955686, 1026240, 1274248, 1592810, 1911372, 2052480, 2389215, 2548496, 3185620, 3822744, 4778430, 5096992, 6371240, 7645488, 9556860, 10193984, 12742480, 15290976, 19113720, 20387968, 25484960, 30581952, 38227440, 50969920, 61163904, 76454880, 101939840, 152909760, 305819520]

約数ペア:

[(1, 305819520), (2, 152909760), (3, 101939840), (4, 76454880), (5, 61163904), (6, 50969920), (8, 38227440), (10, 30581952), (12, 25484960), (15, 20387968), (16, 19113720), (20, 15290976), (24, 12742480), (30, 10193984), (32, 9556860), (40, 7645488), (48, 6371240), (60, 5096992), (64, 4778430), (80, 3822744), (96, 3185620), (120, 2548496), (128, 2389215), (149, 2052480), (160, 1911372), (192, 1592810), (240, 1274248), (298, 1026240), (320, 955686), (384, 796405), (447, 684160), (480, 637124), (596, 513120), (640, 477843), (745, 410496), (894, 342080), (960, 318562), (1069, 286080), (1192, 256560), (1490, 205248), (1788, 171040), (1920, 159281), (2138, 143040), (2235, 136832), (2384, 128280), (2980, 102624), (3207, 95360), (3576, 85520), (4276, 71520), (4470, 68416), (4768, 64140), (5345, 57216), (5960, 51312), (6414, 47680), (7152, 42760), (8552, 35760), (8940, 34208), (9536, 32070), (10690, 28608), (11920, 25656), (12828, 23840), (14304, 21380), (16035, 19072), (17104, 17880)]