388136960

素因数分解:

$2^{15}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 981452160

約数和(自身を除く): 593315200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 103, 115, 128, 160, 184, 206, 230, 256, 320, 368, 412, 460, 512, 515, 640, 736, 824, 920, 1024, 1030, 1280, 1472, 1648, 1840, 2048, 2060, 2369, 2560, 2944, 3296, 3680, 4096, 4120, 4738, 5120, 5888, 6592, 7360, 8192, 8240, 9476, 10240, 11776, 11845, 13184, 14720, 16384, 16480, 18952, 20480, 23552, 23690, 26368, 29440, 32768, 32960, 37904, 40960, 47104, 47380, 52736, 58880, 65920, 75808, 81920, 94208, 94760, 105472, 117760, 131840, 151616, 163840, 188416, 189520, 210944, 235520, 263680, 303232, 376832, 379040, 421888, 471040, 527360, 606464, 753664, 758080, 843776, 942080, 1054720, 1212928, 1516160, 1687552, 1884160, 2109440, 2425856, 3032320, 3375104, 3768320, 4218880, 4851712, 6064640, 8437760, 9703424, 12129280, 16875520, 19406848, 24258560, 38813696, 48517120, 77627392, 97034240, 194068480, 388136960]

約数ペア:

[(1, 388136960), (2, 194068480), (4, 97034240), (5, 77627392), (8, 48517120), (10, 38813696), (16, 24258560), (20, 19406848), (23, 16875520), (32, 12129280), (40, 9703424), (46, 8437760), (64, 6064640), (80, 4851712), (92, 4218880), (103, 3768320), (115, 3375104), (128, 3032320), (160, 2425856), (184, 2109440), (206, 1884160), (230, 1687552), (256, 1516160), (320, 1212928), (368, 1054720), (412, 942080), (460, 843776), (512, 758080), (515, 753664), (640, 606464), (736, 527360), (824, 471040), (920, 421888), (1024, 379040), (1030, 376832), (1280, 303232), (1472, 263680), (1648, 235520), (1840, 210944), (2048, 189520), (2060, 188416), (2369, 163840), (2560, 151616), (2944, 131840), (3296, 117760), (3680, 105472), (4096, 94760), (4120, 94208), (4738, 81920), (5120, 75808), (5888, 65920), (6592, 58880), (7360, 52736), (8192, 47380), (8240, 47104), (9476, 40960), (10240, 37904), (11776, 32960), (11845, 32768), (13184, 29440), (14720, 26368), (16384, 23690), (16480, 23552), (18952, 20480)]