163395440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8269}}^1$

素因数の和:8314

約数の個数: 80

約数和(自身を含む): 430701600

約数和(自身を除く): 267306160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 8269, 9880, 16538, 19760, 33076, 41345, 66152, 82690, 107497, 132304, 157111, 165380, 214994, 314222, 330760, 429988, 537485, 628444, 661520, 785555, 859976, 1074970, 1256888, 1571110, 1719952, 2042443, 2149940, 2513776, 3142220, 4084886, 4299880, 6284440, 8169772, 8599760, 10212215, 12568880, 16339544, 20424430, 32679088, 40848860, 81697720, 163395440]

約数ペア:

[(1, 163395440), (2, 81697720), (4, 40848860), (5, 32679088), (8, 20424430), (10, 16339544), (13, 12568880), (16, 10212215), (19, 8599760), (20, 8169772), (26, 6284440), (38, 4299880), (40, 4084886), (52, 3142220), (65, 2513776), (76, 2149940), (80, 2042443), (95, 1719952), (104, 1571110), (130, 1256888), (152, 1074970), (190, 859976), (208, 785555), (247, 661520), (260, 628444), (304, 537485), (380, 429988), (494, 330760), (520, 314222), (760, 214994), (988, 165380), (1040, 157111), (1235, 132304), (1520, 107497), (1976, 82690), (2470, 66152), (3952, 41345), (4940, 33076), (8269, 19760), (9880, 16538)]