231438720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 128

約数和(自身を含む): 743580000

約数和(自身を除く): 512141280

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, 809, 894, 960, 1192, 1490, 1618, 1788, 1920, 2235, 2384, 2427, 2980, 3236, 3576, 4045, 4470, 4768, 4854, 5960, 6472, 7152, 8090, 8940, 9536, 9708, 11920, 12135, 12944, 14304, 16180, 17880, 19072, 19416, 23840, 24270, 25888, 28608, 32360, 35760, 38832, 47680, 48540, 51776, 57216, 64720, 71520, 77664, 95360, 97080, 103552, 120541, 129440, 143040, 155328, 194160, 241082, 258880, 286080, 310656, 361623, 388320, 482164, 517760, 602705, 723246, 776640, 964328, 1205410, 1446492, 1553280, 1808115, 1928656, 2410820, 2892984, 3616230, 3857312, 4821640, 5785968, 7232460, 7714624, 9643280, 11571936, 14464920, 15429248, 19286560, 23143872, 28929840, 38573120, 46287744, 57859680, 77146240, 115719360, 231438720]

約数ペア:

[(1, 231438720), (2, 115719360), (3, 77146240), (4, 57859680), (5, 46287744), (6, 38573120), (8, 28929840), (10, 23143872), (12, 19286560), (15, 15429248), (16, 14464920), (20, 11571936), (24, 9643280), (30, 7714624), (32, 7232460), (40, 5785968), (48, 4821640), (60, 3857312), (64, 3616230), (80, 2892984), (96, 2410820), (120, 1928656), (128, 1808115), (149, 1553280), (160, 1446492), (192, 1205410), (240, 964328), (298, 776640), (320, 723246), (384, 602705), (447, 517760), (480, 482164), (596, 388320), (640, 361623), (745, 310656), (809, 286080), (894, 258880), (960, 241082), (1192, 194160), (1490, 155328), (1618, 143040), (1788, 129440), (1920, 120541), (2235, 103552), (2384, 97080), (2427, 95360), (2980, 77664), (3236, 71520), (3576, 64720), (4045, 57216), (4470, 51776), (4768, 48540), (4854, 47680), (5960, 38832), (6472, 35760), (7152, 32360), (8090, 28608), (8940, 25888), (9536, 24270), (9708, 23840), (11920, 19416), (12135, 19072), (12944, 17880), (14304, 16180)]