640685584

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{10613}}^1$

素因数の和:10653

約数の個数: 80

約数和(自身を含む): 1579363200

約数和(自身を除く): 938677616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 392, 539, 616, 686, 784, 1078, 1232, 1372, 2156, 2744, 3773, 4312, 5488, 7546, 8624, 10613, 15092, 21226, 30184, 42452, 60368, 74291, 84904, 116743, 148582, 169808, 233486, 297164, 466972, 520037, 594328, 817201, 933944, 1040074, 1188656, 1634402, 1867888, 2080148, 3268804, 3640259, 4160296, 5720407, 6537608, 7280518, 8320592, 11440814, 13075216, 14561036, 22881628, 29122072, 40042849, 45763256, 58244144, 80085698, 91526512, 160171396, 320342792, 640685584]

約数ペア:

[(1, 640685584), (2, 320342792), (4, 160171396), (7, 91526512), (8, 80085698), (11, 58244144), (14, 45763256), (16, 40042849), (22, 29122072), (28, 22881628), (44, 14561036), (49, 13075216), (56, 11440814), (77, 8320592), (88, 7280518), (98, 6537608), (112, 5720407), (154, 4160296), (176, 3640259), (196, 3268804), (308, 2080148), (343, 1867888), (392, 1634402), (539, 1188656), (616, 1040074), (686, 933944), (784, 817201), (1078, 594328), (1232, 520037), (1372, 466972), (2156, 297164), (2744, 233486), (3773, 169808), (4312, 148582), (5488, 116743), (7546, 84904), (8624, 74291), (10613, 60368), (15092, 42452), (21226, 30184)]