31279040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 82100928

約数和(自身を除く): 50821888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 103, 104, 130, 146, 160, 206, 208, 260, 292, 320, 365, 412, 416, 515, 520, 584, 730, 824, 832, 949, 1030, 1040, 1168, 1339, 1460, 1648, 1898, 2060, 2080, 2336, 2678, 2920, 3296, 3796, 4120, 4160, 4672, 4745, 5356, 5840, 6592, 6695, 7519, 7592, 8240, 9490, 10712, 11680, 13390, 15038, 15184, 16480, 18980, 21424, 23360, 26780, 30076, 30368, 32960, 37595, 37960, 42848, 53560, 60152, 60736, 75190, 75920, 85696, 97747, 107120, 120304, 150380, 151840, 195494, 214240, 240608, 300760, 303680, 390988, 428480, 481216, 488735, 601520, 781976, 977470, 1203040, 1563952, 1954940, 2406080, 3127904, 3909880, 6255808, 7819760, 15639520, 31279040]

約数ペア:

[(1, 31279040), (2, 15639520), (4, 7819760), (5, 6255808), (8, 3909880), (10, 3127904), (13, 2406080), (16, 1954940), (20, 1563952), (26, 1203040), (32, 977470), (40, 781976), (52, 601520), (64, 488735), (65, 481216), (73, 428480), (80, 390988), (103, 303680), (104, 300760), (130, 240608), (146, 214240), (160, 195494), (206, 151840), (208, 150380), (260, 120304), (292, 107120), (320, 97747), (365, 85696), (412, 75920), (416, 75190), (515, 60736), (520, 60152), (584, 53560), (730, 42848), (824, 37960), (832, 37595), (949, 32960), (1030, 30368), (1040, 30076), (1168, 26780), (1339, 23360), (1460, 21424), (1648, 18980), (1898, 16480), (2060, 15184), (2080, 15038), (2336, 13390), (2678, 11680), (2920, 10712), (3296, 9490), (3796, 8240), (4120, 7592), (4160, 7519), (4672, 6695), (4745, 6592), (5356, 5840)]