156938480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{463}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 386641920

約数和(自身を除く): 229703440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 223, 304, 380, 446, 463, 760, 892, 926, 1115, 1520, 1784, 1852, 2230, 2315, 3568, 3704, 4237, 4460, 4630, 7408, 8474, 8797, 8920, 9260, 16948, 17594, 17840, 18520, 21185, 33896, 35188, 37040, 42370, 43985, 67792, 70376, 84740, 87970, 103249, 140752, 169480, 175940, 206498, 338960, 351880, 412996, 516245, 703760, 825992, 1032490, 1651984, 1961731, 2064980, 3923462, 4129960, 7846924, 8259920, 9808655, 15693848, 19617310, 31387696, 39234620, 78469240, 156938480]

約数ペア:

[(1, 156938480), (2, 78469240), (4, 39234620), (5, 31387696), (8, 19617310), (10, 15693848), (16, 9808655), (19, 8259920), (20, 7846924), (38, 4129960), (40, 3923462), (76, 2064980), (80, 1961731), (95, 1651984), (152, 1032490), (190, 825992), (223, 703760), (304, 516245), (380, 412996), (446, 351880), (463, 338960), (760, 206498), (892, 175940), (926, 169480), (1115, 140752), (1520, 103249), (1784, 87970), (1852, 84740), (2230, 70376), (2315, 67792), (3568, 43985), (3704, 42370), (4237, 37040), (4460, 35188), (4630, 33896), (7408, 21185), (8474, 18520), (8797, 17840), (8920, 17594), (9260, 16948)]